MML PRECALCULUS ENHANCED
7th Edition
ISBN: 9780134119250
Author: Sullivan
Publisher: INTER PEAR
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Chapter 4.1, Problem 91SB
To determine
To analyze: The graph of a polynomial function.
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Total marks 15
3.
(i)
Let FRN Rm be a mapping and x = RN is a given
point. Which of the following statements are true? Construct counterex-
amples for any that are false.
(a)
If F is continuous at x then F is differentiable at x.
(b)
If F is differentiable at x then F is continuous at x.
If F is differentiable at x then F has all 1st order partial
(c)
derivatives at x.
(d) If all 1st order partial derivatives of F exist and are con-
tinuous on RN then F is differentiable at x.
[5 Marks]
(ii) Let mappings
F= (F1, F2) R³ → R² and
G=(G1, G2) R² → R²
:
be defined by
F₁ (x1, x2, x3) = x1 + x²,
G1(1, 2) = 31,
F2(x1, x2, x3) = x² + x3,
G2(1, 2)=sin(1+ y2).
By using the chain rule, calculate the Jacobian matrix of the mapping
GoF R3 R²,
i.e., JGoF(x1, x2, x3). What is JGOF(0, 0, 0)?
(iii)
[7 Marks]
Give reasons why the mapping Go F is differentiable at
(0, 0, 0) R³ and determine the derivative matrix D(GF)(0, 0, 0).
[3 Marks]
5.
(i)
Let f R2 R be defined by
f(x1, x2) = x² - 4x1x2 + 2x3.
Find all local minima of f on R².
(ii)
[10 Marks]
Give an example of a function f: R2 R which is not bounded
above and has exactly one critical point, which is a minimum. Justify briefly
Total marks 15
your answer.
[5 Marks]
Total marks 15
4.
:
Let f R2 R be defined by
f(x1, x2) = 2x²- 8x1x2+4x+2.
Find all local minima of f on R².
[10 Marks]
(ii) Give an example of a function f R2 R which is neither
bounded below nor bounded above, and has no critical point. Justify
briefly your answer.
[5 Marks]
Chapter 4 Solutions
MML PRECALCULUS ENHANCED
Ch. 4.1 - The intercepts of the equation 9 x 2 +4y=36 are...Ch. 4.1 - Is the expression 4 x 3 3.6 x 2 2 a polynomial?...Ch. 4.1 - To graph y= x 2 4 , you would shift the graph of...Ch. 4.1 - Use a graphing utility to approximate (rounded to...Ch. 4.1 - True or False The x-intercepts of the graph of a...Ch. 4.1 - If g( 5 )=0 , what point is on the graph of g ?...Ch. 4.1 - The graph of every polynomial function is both...Ch. 4.1 - If r is a real zero of even multiplicity of a...Ch. 4.1 - The graphs of power functions of the form f(x)= x...Ch. 4.1 - If r is a solution to the equation f(x)=0 , name...
Ch. 4.1 - The points at which a graph changes direction...Ch. 4.1 - Prob. 12CVCh. 4.1 - If f( x )=2 x 5 + x 3 5 x 2 +7 , then lim x f( x...Ch. 4.1 - Explain what the notation lim x f( x )= means.Ch. 4.1 - The _______ of a zero is the number of times its...Ch. 4.1 - Prob. 16CVCh. 4.1 - In Problems 17-28, determine which functions are...Ch. 4.1 - In Problems 17-28, determine which functions are...Ch. 4.1 - In Problems 17-28, determine which functions are...Ch. 4.1 - In Problems 17-28, determine which functions are...Ch. 4.1 - In Problems 17-28, determine which functions are...Ch. 4.1 - In Problems 17-28, determine which functions are...Ch. 4.1 - In Problems 17-28, determine which functions are...Ch. 4.1 - In Problems 17-28, determine which functions are...Ch. 4.1 - In Problems 17-28, determine which functions are...Ch. 4.1 - In Problems 17-28, determine which functions are...Ch. 4.1 - In Problems 17-28, determine which functions are...Ch. 4.1 - In Problems 17-28, determine which functions are...Ch. 4.1 - In Problems 29-42, use transformations of the...Ch. 4.1 - Prob. 30SBCh. 4.1 - In Problems 29-42, use transformations of the...Ch. 4.1 - In Problems 29-42, use transformations of the...Ch. 4.1 - In Problems 29-42, use transformations of the...Ch. 4.1 - In Problems 29-42, use transformations of the...Ch. 4.1 - In Problems 29-42, use transformations of the...Ch. 4.1 - In Problems 29-42, use transformations of the...Ch. 4.1 - In Problems 29-42, use transformations of the...Ch. 4.1 - In Problems 29-42, use transformations of the...Ch. 4.1 - In Problems 29-42, use transformations of the...Ch. 4.1 - In Problems 29-42, use transformations of the...Ch. 4.1 - In Problems 29-42, use transformations of the...Ch. 4.1 - In Problems 29-42, use transformations of the...Ch. 4.1 - In Problems 43-50, form a polynomial function...Ch. 4.1 - In Problems 43-50, form a polynomial function...Ch. 4.1 - In Problems 43-50, form a polynomial function...Ch. 4.1 - In Problems 43-50, form a polynomial function...Ch. 4.1 - In Problems 43-50, form a polynomial function...Ch. 4.1 - In Problems 43-50, form a polynomial function...Ch. 4.1 - In Problems 43-50, form a polynomial function...Ch. 4.1 - In Problems 43-50, form a polynomial function...Ch. 4.1 - In Problems 51-56, find the polynomial function...Ch. 4.1 - In Problems 51-56, find the polynomial function...Ch. 4.1 - In Problems 51-56, find the polynomial function...Ch. 4.1 - In Problems 51-56, find the polynomial function...Ch. 4.1 - In Problems 51-56, find the polynomial function...Ch. 4.1 - In Problems 51-56, find the polynomial function...Ch. 4.1 - In Problems 57-68, for each polynomial function:...Ch. 4.1 - In Problems 57-68, for each polynomial function:...Ch. 4.1 - In Problems 57-68, for each polynomial function:...Ch. 4.1 - In Problems 57-68, for each polynomial function:...Ch. 4.1 - In Problems 57-68, for each polynomial function:...Ch. 4.1 - In Problems 57-68, for each polynomial function:...Ch. 4.1 - In Problems 57-68, for each polynomial function:...Ch. 4.1 - In Problems 57-68, for each polynomial function:...Ch. 4.1 - In Problems 57-68, for each polynomial function:...Ch. 4.1 - In Problems 57-68, for each polynomial function:...Ch. 4.1 - In Problems 57-68, for each polynomial function:...Ch. 4.1 - In Problems 57-68, for each polynomial function:...Ch. 4.1 - Prob. 69SBCh. 4.1 - Prob. 70SBCh. 4.1 - Prob. 71SBCh. 4.1 - Prob. 72SBCh. 4.1 - Prob. 73SBCh. 4.1 - In Problems 73-76, construct a polynomial function...Ch. 4.1 - Prob. 75SBCh. 4.1 - Prob. 76SBCh. 4.1 - In Problems 77-80, write a polynomial function...Ch. 4.1 - In Problems 77-80, write a polynomial function...Ch. 4.1 - In Problems 77-80, write a polynomial function...Ch. 4.1 - In Problems 77-80, write a polynomial function...Ch. 4.1 - Prob. 81SBCh. 4.1 - In Problems 81-98, analyze each polynomial...Ch. 4.1 - Prob. 83SBCh. 4.1 - Prob. 84SBCh. 4.1 - In Problems 81-98, analyze each polynomial...Ch. 4.1 - In Problems 81-98, analyze each polynomial...Ch. 4.1 - Prob. 87SBCh. 4.1 - Prob. 88SBCh. 4.1 - Prob. 89SBCh. 4.1 - Prob. 90SBCh. 4.1 - Prob. 91SBCh. 4.1 - Prob. 92SBCh. 4.1 - In Problems 81-98, analyze each polynomial...Ch. 4.1 - Prob. 94SBCh. 4.1 - Prob. 95SBCh. 4.1 - Prob. 96SBCh. 4.1 - Prob. 97SBCh. 4.1 - In Problems 81-98, analyze each polynomial...Ch. 4.1 - Prob. 99SBCh. 4.1 - In Problems 99-106, analyze each polynomial...Ch. 4.1 - In Problems 99-106, analyze each polynomial...Ch. 4.1 - Prob. 102SBCh. 4.1 - Prob. 103SBCh. 4.1 - Prob. 104SBCh. 4.1 - Prob. 105SBCh. 4.1 - Prob. 106SBCh. 4.1 - Prob. 107MPCh. 4.1 - In Problems 107-114, analyze each polynomial...Ch. 4.1 - Prob. 109MPCh. 4.1 - In Problems 107-114, analyze each polynomial...Ch. 4.1 - In Problems 107-114, analyze each polynomial...Ch. 4.1 - Prob. 112MPCh. 4.1 - Prob. 113MPCh. 4.1 - In Problems 107-114, analyze each polynomial...Ch. 4.1 - Prob. 115MPCh. 4.1 - Prob. 116MPCh. 4.1 - Prob. 117MPCh. 4.1 - In Problems 115-118, construct a polynomial...Ch. 4.1 - G( x )= (x+3) 2 (x2) a. Identify the x-intercepts...Ch. 4.1 - h( x )=( x+2 ) ( x4 ) 3 a. Identify the...Ch. 4.1 - Prob. 121AECh. 4.1 - Prob. 122AECh. 4.1 - Prob. 123AECh. 4.1 - h( x )=( x+2 ) ( x4 ) 3 a. Identify the...Ch. 4.1 - Prob. 125AECh. 4.1 - Prob. 126AECh. 4.1 - Write a few paragraphs that provide a general...Ch. 4.1 - Prob. 128AECh. 4.1 - Make up two polynomials, not of the same degree,...Ch. 4.1 - Which of the following statements are true...Ch. 4.1 - Which of the following statements are true...Ch. 4.1 - The illustration shows the graph of a polynomial...Ch. 4.1 - Prob. 133DWCh. 4.1 - Prob. 134DWCh. 4.1 - Prob. 135RYKCh. 4.1 - Find the domain of the function h( x )= x3 x+5 .Ch. 4.1 - Find the x-intercepts of the graph of f( x )=4 x 2...Ch. 4.1 - Solve the inequality x 2 214x .Ch. 4.2 - 1. Find f( 1 ) if f( x )=2 x 2 xCh. 4.2 - 2. Factor the expression 6 x 2 +x-2Ch. 4.2 - 3. Find the quotient and remainder if 3 x 4 -5 x 3...Ch. 4.2 - 4. Solve x 2 =3-x .Ch. 4.2 - 5. f( x )=q(x)g( x )+r(x) , the function r( x ) is...Ch. 4.2 - 6. When a polynomial function f is divided by x-c...Ch. 4.2 - 7. Given f( x )=3 x 4 -2 x 3 +7x-2 , how many sign...Ch. 4.2 - 8. True or False Every polynomial function of...Ch. 4.2 - 9. If f is a polynomial function and x4 is a...Ch. 4.2 - 10. True or False If f is a polynomial function of...Ch. 4.2 - In Problems 11-20, use the Remainder Theorem to...Ch. 4.2 - In Problems 11-20, use the Remainder Theorem to...Ch. 4.2 - In Problems 11-20, use the Remainder Theorem to...Ch. 4.2 - In Problems 11-20, use the Remainder Theorem to...Ch. 4.2 - In Problems 11-20, use the Remainder Theorem to...Ch. 4.2 - In Problems 11-20, use the Remainder Theorem to...Ch. 4.2 - Prob. 17SBCh. 4.2 - In Problems 11-20, use the Remainder Theorem to...Ch. 4.2 - In Problems 11-20, use the Remainder Theorem to...Ch. 4.2 - In Problems 11-20, use the Remainder Theorem to...Ch. 4.2 - Prob. 21SBCh. 4.2 - Prob. 22SBCh. 4.2 - Prob. 23SBCh. 4.2 - In Problems 21-32, use Descartes' Rule of Signs to...Ch. 4.2 - In Problems 21-32, use Descartes' Rule of Signs to...Ch. 4.2 - In Problems 21-32, use Descartes' Rule of Signs to...Ch. 4.2 - In Problems 21-32, use Descartes' Rule of Signs to...Ch. 4.2 - In Problems 21-32, use Descartes' Rule of Signs to...Ch. 4.2 - In Problems 21-32, use Descartes' Rule of Signs to...Ch. 4.2 - In Problems 21-32, use Descartes' Rule of Signs to...Ch. 4.2 - Prob. 31SBCh. 4.2 - In Problems 21-32, use Descartes' Rule of Signs to...Ch. 4.2 - Prob. 33SBCh. 4.2 - In Problems 33-44, determine the maximum number of...Ch. 4.2 - In Problems 33-44, determine the maximum number of...Ch. 4.2 - In Problems 33-44, determine the maximum number of...Ch. 4.2 - Prob. 37SBCh. 4.2 - In Problems 33-44, determine the maximum number of...Ch. 4.2 - In Problems 33-44, determine the maximum number of...Ch. 4.2 - In Problems 33-44, determine the maximum number of...Ch. 4.2 - In Problems 33-44, determine the maximum number of...Ch. 4.2 - In Problems 33-44, determine the maximum number of...Ch. 4.2 - In Problems 33-44, determine the maximum number of...Ch. 4.2 - In Problems 33-44, determine the maximum number of...Ch. 4.2 - In Problems 45-50, find the bounds to the zeros of...Ch. 4.2 - In Problems 45-50, find the bounds to the zeros of...Ch. 4.2 - In Problems 45-50, find the bounds to the zeros of...Ch. 4.2 - In Problems 45-50, find the bounds to the zeros of...Ch. 4.2 - In Problems 45-50, find the bounds to the zeros of...Ch. 4.2 - In Problems 45-50, find the bounds to the zeros of...Ch. 4.2 - In Problems 51-68, find the real zeros of f. Use...Ch. 4.2 - In Problems 51-68, find the real zeros of f. Use...Ch. 4.2 - In Problems 51-68, find the real zeros of f. Use...Ch. 4.2 - In Problems 51-68, find the real zeros of f. Use...Ch. 4.2 - In Problems 51-68, find the real zeros of f. Use...Ch. 4.2 - In Problems 51-68, find the real zeros of f. Use...Ch. 4.2 - In Problems 51-68, find the real zeros of f. Use...Ch. 4.2 - In Problems 51-68, find the real zeros of f. Use...Ch. 4.2 - In Problems 51-68, find the real zeros of f. Use...Ch. 4.2 - Prob. 60SBCh. 4.2 - Prob. 61SBCh. 4.2 - Prob. 62SBCh. 4.2 - In Problems 51-68, find the real zeros of f . Use...Ch. 4.2 - Prob. 64SBCh. 4.2 - In Problems 51-68, find the real zeros of f . Use...Ch. 4.2 - Prob. 66SBCh. 4.2 - Prob. 67SBCh. 4.2 - Prob. 68SBCh. 4.2 - In Problems 69-74, find the real zeros of f . If...Ch. 4.2 - In Problems 69-74, find the real zeros of f . If...Ch. 4.2 - In Problems 69-74, find the real zeros of f . If...Ch. 4.2 - Prob. 72SBCh. 4.2 - Prob. 73SBCh. 4.2 - Prob. 74SBCh. 4.2 - In Problems 75-84, find the real solutions of each...Ch. 4.2 - In Problems 75-84, find the real solutions of each...Ch. 4.2 - In Problems 75-84, find the real solutions of each...Ch. 4.2 - Prob. 78SBCh. 4.2 - Prob. 79SBCh. 4.2 - Prob. 80SBCh. 4.2 - Prob. 81SBCh. 4.2 - Prob. 82SBCh. 4.2 - Prob. 83SBCh. 4.2 - Prob. 84SBCh. 4.2 - Prob. 85SBCh. 4.2 - Prob. 86SBCh. 4.2 - Prob. 87SBCh. 4.2 - Prob. 88SBCh. 4.2 - Prob. 89SBCh. 4.2 - Prob. 90SBCh. 4.2 - In Problems 91-98, analyze each polynomial...Ch. 4.2 - In Problems 91-98, analyze each polynomial...Ch. 4.2 - In Problems 91-98, analyze each polynomial...Ch. 4.2 - In Problems 91-98, analyze each polynomial...Ch. 4.2 - In Problems 91-98, analyze each polynomial...Ch. 4.2 - In Problems 91-98, analyze each polynomial...Ch. 4.2 - In Problems 91-98, analyze each polynomial...Ch. 4.2 - In Problems 91-98, analyze each polynomial...Ch. 4.2 - Find k such that f( x )= x 3 k x 2 +kx+2 has the...Ch. 4.2 - Find k such that f( x )= x 4 k x 3 +k x 2 +1 has...Ch. 4.2 - Prob. 101AECh. 4.2 - Prob. 102AECh. 4.2 - Prob. 103AECh. 4.2 - Prob. 104AECh. 4.2 - Prob. 105AECh. 4.2 - Prob. 106AECh. 4.2 - Prob. 107AECh. 4.2 - Prob. 108AECh. 4.2 - Let f( x ) be a polynomial function whose...Ch. 4.2 - Prob. 110AECh. 4.2 - Prob. 111AECh. 4.2 - Prob. 112DWCh. 4.2 - Prob. 113DWCh. 4.2 - Prob. 114DWCh. 4.2 - Is 2 3 a zero of f( x )= x 7 +6 x 5 x 4 +x+2 ?...Ch. 4.2 - If ( 4,6 ) is a point on the graph of y=f( x ) ,...Ch. 4.2 - Prob. 117RYKCh. 4.2 - Prob. 118RYKCh. 4.2 - Prob. 119RYKCh. 4.3 - 1. Find the sum and the product of the complex...Ch. 4.3 - Prob. 2AYPCh. 4.3 - 3. Every polynomial function of odd degree with...Ch. 4.3 - 4. If 3+4i is a zero of a polynomial function of...Ch. 4.3 - Prob. 5CVCh. 4.3 - Prob. 6CVCh. 4.3 - In Problems 7-16, information is given about a...Ch. 4.3 - In Problems 7-16, information is given about a...Ch. 4.3 - In Problems 7-16, information is given about a...Ch. 4.3 - In Problems 7-16, information is given about a...Ch. 4.3 - Prob. 11SBCh. 4.3 - Prob. 12SBCh. 4.3 - Prob. 13SBCh. 4.3 - Prob. 14SBCh. 4.3 - Prob. 15SBCh. 4.3 - Prob. 16SBCh. 4.3 - In Problems 17-22, form a polynomial function f( x...Ch. 4.3 - Prob. 18SBCh. 4.3 - In Problems 17-22, form a polynomial function f( x...Ch. 4.3 - In Problems 17-22, form a polynomial function f( x...Ch. 4.3 - In Problems 17-22, form a polynomial function f( x...Ch. 4.3 - In Problems 17-22, form a polynomial function f( x...Ch. 4.3 - In Problems 23-30, use the given zero to find the...Ch. 4.3 - In Problems 23-30, use the given zero to find the...Ch. 4.3 - Prob. 25SBCh. 4.3 - In Problems 23-30, use the given zero to find the...Ch. 4.3 - In Problems 23-30, use the given zero to find the...Ch. 4.3 - In Problems 23-30, use the given zero to find the...Ch. 4.3 - In Problems 23-30, use the given zero to find the...Ch. 4.3 - In Problems 23-30, use the given zero to find the...Ch. 4.3 - In Problems 31-40, find the complex zeros of each...Ch. 4.3 - Prob. 32SBCh. 4.3 - In Problems 31-40, find the complex zeros of each...Ch. 4.3 - Prob. 34SBCh. 4.3 - Prob. 35SBCh. 4.3 - Prob. 36SBCh. 4.3 - Prob. 37SBCh. 4.3 - In Problems 31-40, find the complex zeros of each...Ch. 4.3 - Prob. 39SBCh. 4.3 - Prob. 40SBCh. 4.3 - Given f( x )=2 x 3 14 x 2 +bx3 with f( 2 )=0 , g(...Ch. 4.3 - Prob. 42MPCh. 4.3 - Prob. 43MPCh. 4.3 - In Problems 44 and 45, explain why the facts given...Ch. 4.3 - In Problems 44 and 45, explain why the facts given...Ch. 4.3 - f is a polynomial function of degree 4 whose...Ch. 4.3 - f is a polynomial function of degree 4 whose...Ch. 4.3 - For the polynomial function f( x )= x 2 +2ix-10 :...Ch. 4.3 - Prob. 49RYKCh. 4.3 - Prob. 50RYKCh. 4.3 - Prob. 51RYKCh. 4.3 - Prob. 52RYKCh. 4.4 - True or False The quotient of two polynomial...Ch. 4.4 - What are the quotient and remainder when 3 x 4 x...Ch. 4.4 - Prob. 3AYPCh. 4.4 - Graph y=2 ( x+1 ) 2 3 using...Ch. 4.4 - True or False The domain of every rational...Ch. 4.4 - If, as x or as x , the values of R( x ) approach...Ch. 4.4 - If, as x approaches some number c , the values of...Ch. 4.4 - For a rational function R , if the degree of the...Ch. 4.4 - True or False The graph of a rational function may...Ch. 4.4 - True or False The graph of a rational function may...Ch. 4.4 - If a rational function is proper, then _____ is a...Ch. 4.4 - True or False If the degree of the numerator of a...Ch. 4.4 - If R( x )= p( x ) q( x ) is a rational function...Ch. 4.4 - Which type of asymptote, when it occurs, describes...Ch. 4.4 - In Problems 15-26, find the domain of each...Ch. 4.4 - In Problems 15-26, find the domain of each...Ch. 4.4 - In Problems 15-26, find the domain of each...Ch. 4.4 - In Problems 15-26, find the domain of each...Ch. 4.4 - In Problems 15-26, find the domain of each...Ch. 4.4 - In Problems 15-26, find the domain of each...Ch. 4.4 - In Problems 15-26, find the domain of each...Ch. 4.4 - In Problems 15-26, find the domain of each...Ch. 4.4 - In Problems 15-26, find the domain of each...Ch. 4.4 - In Problems 15-26, find the domain of each...Ch. 4.4 - Prob. 25SBCh. 4.4 - Prob. 26SBCh. 4.4 - Prob. 27SBCh. 4.4 - Prob. 28SBCh. 4.4 - Prob. 29SBCh. 4.4 - Prob. 30SBCh. 4.4 - In Problems 27-32, use the graph shown to find a....Ch. 4.4 - Prob. 32SBCh. 4.4 - In Problems 33-44, (a) graph the rational function...Ch. 4.4 - In Problems 33-44, (a) graph the rational function...Ch. 4.4 - In Problems 33-44, (a) graph the rational function...Ch. 4.4 - In Problems 33-44, (a) graph the rational function...Ch. 4.4 - In Problems 33-44, (a) graph the rational function...Ch. 4.4 - In Problems 33-44, (a) graph the rational function...Ch. 4.4 - In Problems 33-44, (a) graph the rational function...Ch. 4.4 - In Problems 33-44, (a) graph the rational function...Ch. 4.4 - In Problems 33-44, (a) graph the rational function...Ch. 4.4 - In Problems 33-44, (a) graph the rational function...Ch. 4.4 - In Problems 33-44, (a) graph the rational function...Ch. 4.4 - In Problems 33-44, (a) graph the rational function...Ch. 4.4 - In Problems 45-56, find the vertical, horizontal,...Ch. 4.4 - In Problems 45-56, find the vertical, horizontal,...Ch. 4.4 - In Problems 45-56, find the vertical, horizontal,...Ch. 4.4 - In Problems 45-56, find the vertical, horizontal,...Ch. 4.4 - In Problems 45-56, find the vertical, horizontal,...Ch. 4.4 - In Problems 45-56, find the vertical, horizontal,...Ch. 4.4 - In Problems 45-56, find the vertical, horizontal,...Ch. 4.4 - In Problems 45-56, find the vertical, horizontal,...Ch. 4.4 - In Problems 45-56, find the vertical, horizontal,...Ch. 4.4 - Prob. 54SBCh. 4.4 - Prob. 55SBCh. 4.4 - Prob. 56SBCh. 4.4 - Prob. 57SBCh. 4.4 - Prob. 58SBCh. 4.4 - Resistance in Parallel Circuits From Ohm’s Law...Ch. 4.4 - Newton’s Method In calculus you will learn that...Ch. 4.4 - Prob. 61SBCh. 4.4 - Prob. 62SBCh. 4.4 - Prob. 63DWCh. 4.4 - Prob. 64DWCh. 4.4 - The graph of a rational function cannot have both...Ch. 4.4 - Prob. 66DWCh. 4.4 - Prob. 67RYKCh. 4.4 - Prob. 68RYKCh. 4.4 - Prob. 69RYKCh. 4.4 - Prob. 70RYKCh. 4.5 - True or False The quotient of two polynomial...Ch. 4.5 - True or False Every rational function has at least...Ch. 4.5 - Which type of asymptote will never intersect the...Ch. 4.5 - True or False The graph of a rational function...Ch. 4.5 - Prob. 5CVCh. 4.5 - Identify the y-intercept of the graph of R( x )=...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 7-50, follow Steps 1 through 7 on page...Ch. 4.5 - In Problems 51-54, find a rational function that...Ch. 4.5 - Prob. 52SBCh. 4.5 - In Problems 51-54, find a rational function that...Ch. 4.5 - In Problems 51-54, find a rational function that...Ch. 4.5 - Probability Suppose you attend a fundraiser where...Ch. 4.5 - Prob. 56AECh. 4.5 - Drug Concentration The concentration C of a...Ch. 4.5 - Drug Concentration The concentration C of a...Ch. 4.5 - Minimum Cost A rectangular area adjacent to a...Ch. 4.5 - Prob. 60AECh. 4.5 - Minimizing Surface Area United Parcel Service has...Ch. 4.5 - Minimizing Surface Area United Parcel Service has...Ch. 4.5 - Cost of a Can A can in the shape of a right...Ch. 4.5 - Material Needed to Make a Drum A steel drum in the...Ch. 4.5 - Graph each of the following functions: y= x 2 1 x1...Ch. 4.5 - Graph each of the following functions: y= x 2 x1...Ch. 4.5 - Write a few paragraphs that provide a general...Ch. 4.5 - Create a rational function that has the following...Ch. 4.5 - Create a rational function that has the following...Ch. 4.5 - Create a rational function with the following...Ch. 4.5 - Explain the circumstances under which the graph of...Ch. 4.5 - Problems 72-75 are based on material learned...Ch. 4.5 - Problems 72-75 are based on material learned...Ch. 4.5 - Problems 72-75 are based on material learned...Ch. 4.5 - Problems 72-75 are based on material learned...Ch. 4.6 - Solve the inequality 34x5 . Graph the solution...Ch. 4.6 - Solve the inequality x 2 5x24 . Graph the solution...Ch. 4.6 - Which of the following could be a test number for...Ch. 4.6 - True or False The graph of f( x )= x x3 is above...Ch. 4.6 - In Problems 5-8, use the graph of the function f...Ch. 4.6 - In Problems 5-8, use the graph of the function f...Ch. 4.6 - In Problems 5-8, use the graph of the function f...Ch. 4.6 - In Problems 5-8, use the graph of the function f...Ch. 4.6 - In Problems 9-14, solve the inequality by using...Ch. 4.6 - In Problems 9-14, solve the inequality by using...Ch. 4.6 - In Problems 9-14, solve the inequality by using...Ch. 4.6 - In Problems 9-14, solve the inequality by using...Ch. 4.6 - In Problems 9-14, solve the inequality by using...Ch. 4.6 - In Problems 9-14, solve the inequality by using...Ch. 4.6 - In Problems 15-18, solve the inequality by using...Ch. 4.6 - In Problems 15-18, solve the inequality by using...Ch. 4.6 - In Problems 15-18, solve the inequality by using...Ch. 4.6 - In Problems 15-18, solve the inequality by using...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 19-48, solve each inequality...Ch. 4.6 - In Problems 49-60, solve each inequality...Ch. 4.6 - In Problems 49-60, solve each inequality...Ch. 4.6 - In Problems 49-60, solve each inequality...Ch. 4.6 - In Problems 49-60, solve each inequality...Ch. 4.6 - In Problems 49-60, solve each inequality...Ch. 4.6 - In Problems 49-60, solve each inequality...Ch. 4.6 - In Problems 49-60, solve each inequality...Ch. 4.6 - In Problems 49-60, solve each inequality...Ch. 4.6 - In Problems 49-60, solve each inequality...Ch. 4.6 - In Problems 49-60, solve each inequality...Ch. 4.6 - In Problems 49-60, solve each inequality...Ch. 4.6 - In Problems 49-60, solve each inequality...Ch. 4.6 - In Problems 61 and 62, (a) find the zeros of each...Ch. 4.6 - In Problems 61 and 62, (a) find the zeros of each...Ch. 4.6 - In Problems 63-66, (a) graph each function by...Ch. 4.6 - In Problems 63-66, (a) graph each function by...Ch. 4.6 - In Problems 63-66, (a) graph each function by...Ch. 4.6 - In Problems 63-66, (a) graph each function by...Ch. 4.6 - For what positive numbers will the cube of a...Ch. 4.6 - For what positive numbers will the cube of a...Ch. 4.6 - What is the domain of the function f( x )= x 4 -16...Ch. 4.6 - What is the domain of the function f( x )= x 3 -3...Ch. 4.6 - What is the domain of the function f( x )= x-2 x+4...Ch. 4.6 - What is the domain of the function f( x )= x-1 x+4...Ch. 4.6 - In Problems 73-76, determine where the graph of f...Ch. 4.6 - In Problems 73-76, determine where the graph of f...Ch. 4.6 - In Problems 73-76, determine where the graph of f...Ch. 4.6 - In Problems 73-76, determine where the graph of f...Ch. 4.6 - Average Cost Suppose that the daily cost C of...Ch. 4.6 - Average Cost See Problem 77. Suppose that the...Ch. 4.6 - Bungee Jumping Originating on Pentecost Island in...Ch. 4.6 - Gravitational Force According to Newtons Law of...Ch. 4.6 - Field Trip Mrs. West has decided to take her fifth...Ch. 4.6 - Make up an inequality that has no solution. Make...Ch. 4.6 - The inequality x 4 +15 has no solution. Explain...Ch. 4.6 - A student attempted to solve the inequality x+4 x3...Ch. 4.6 - Write a rational inequality whose solution set is...Ch. 4.6 - Problems 86-89 are based on material learned...Ch. 4.6 - Problems 86-89 are based on material learned...Ch. 4.6 - Problems 86-89 are based on material learned...Ch. 4.6 - Problems 86-89 are based on material learned...
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- 4. Let F RNR be a mapping. (i) x ЄRN ? (ii) : What does it mean to say that F is differentiable at a point [1 Mark] In Theorem 5.4 in the Lecture Notes we proved that if F is differentiable at a point x E RN then F is continuous at x. Proof. Let (n) CRN be a sequence such that xn → x ЄERN as n → ∞. We want to show that F(xn) F(x), which means F is continuous at x. Denote hnxn - x, so that ||hn|| 0. Thus we find ||F(xn) − F(x)|| = ||F(x + hn) − F(x)|| * ||DF (x)hn + R(hn) || (**) ||DF(x)hn||+||R(hn)||| → 0, because the linear mapping DF(x) is continuous and for all large nЄ N, (***) ||R(hn) || ||R(hn) || ≤ → 0. ||hn|| (a) Explain in details why ||hn|| → 0. [3 Marks] (b) Explain the steps labelled (*), (**), (***). [6 Marks]arrow_forward4. In Theorem 5.4 in the Lecture Notes we proved that if F: RN → Rm is differentiable at x = RN then F is continuous at x. Proof. Let (xn) CRN be a sequence such that x → x Є RN as n → ∞. We want F(x), which means F is continuous at x. to show that F(xn) Denote hn xnx, so that ||hn||| 0. Thus we find ||F (xn) − F(x) || (*) ||F(x + hn) − F(x)|| = ||DF(x)hn + R(hn)|| (**) ||DF(x)hn|| + ||R(hn) || → 0, because the linear mapping DF(x) is continuous and for all large n = N, |||R(hn) || ≤ (***) ||R(hn)|| ||hn|| → 0. Explain the steps labelled (*), (**), (***) [6 Marks] (ii) Give an example of a function F: RR such that F is contin- Total marks 10 uous at x=0 but F is not differentiable at at x = 0. [4 Marks]arrow_forward3. Let f R2 R be a function. (i) Explain in your own words the relationship between the existence of all partial derivatives of f and differentiability of f at a point x = R². (ii) Consider R2 → R defined by : [5 Marks] f(x1, x2) = |2x1x2|1/2 Show that af af -(0,0) = 0 and -(0, 0) = 0, Jx1 მx2 but f is not differentiable at (0,0). [10 Marks]arrow_forward
- (1) Write the following quadratic equation in terms of the vertex coordinates.arrow_forwardThe final answer is 8/π(sinx) + 8/3π(sin 3x)+ 8/5π(sin5x)....arrow_forwardKeity x२ 1. (i) Identify which of the following subsets of R2 are open and which are not. (a) A = (2,4) x (1, 2), (b) B = (2,4) x {1,2}, (c) C = (2,4) x R. Provide a sketch and a brief explanation to each of your answers. [6 Marks] (ii) Give an example of a bounded set in R2 which is not open. [2 Marks] (iii) Give an example of an open set in R2 which is not bounded. [2 Marksarrow_forward
- 2. (i) Which of the following statements are true? Construct coun- terexamples for those that are false. (a) sequence. Every bounded sequence (x(n)) nEN C RN has a convergent sub- (b) (c) (d) Every sequence (x(n)) nEN C RN has a convergent subsequence. Every convergent sequence (x(n)) nEN C RN is bounded. Every bounded sequence (x(n)) EN CRN converges. nЄN (e) If a sequence (xn)nEN C RN has a convergent subsequence, then (xn)nEN is convergent. [10 Marks] (ii) Give an example of a sequence (x(n))nEN CR2 which is located on the parabola x2 = x², contains infinitely many different points and converges to the limit x = (2,4). [5 Marks]arrow_forward2. (i) What does it mean to say that a sequence (x(n)) nEN CR2 converges to the limit x E R²? [1 Mark] (ii) Prove that if a set ECR2 is closed then every convergent sequence (x(n))nen in E has its limit in E, that is (x(n)) CE and x() x x = E. [5 Marks] (iii) which is located on the parabola x2 = = x x4, contains a subsequence that Give an example of an unbounded sequence (r(n)) nEN CR2 (2, 16) and such that x(i) converges to the limit x = (2, 16) and such that x(i) # x() for any i j. [4 Marksarrow_forward1. (i) which are not. Identify which of the following subsets of R2 are open and (a) A = (1, 3) x (1,2) (b) B = (1,3) x {1,2} (c) C = AUB (ii) Provide a sketch and a brief explanation to each of your answers. [6 Marks] Give an example of a bounded set in R2 which is not open. (iii) [2 Marks] Give an example of an open set in R2 which is not bounded. [2 Marks]arrow_forward
- 2. if limit. Recall that a sequence (x(n)) CR2 converges to the limit x = R² lim ||x(n)x|| = 0. 818 - (i) Prove that a convergent sequence (x(n)) has at most one [4 Marks] (ii) Give an example of a bounded sequence (x(n)) CR2 that has no limit and has accumulation points (1, 0) and (0, 1) [3 Marks] (iii) Give an example of a sequence (x(n))neN CR2 which is located on the hyperbola x2 1/x1, contains infinitely many different Total marks 10 points and converges to the limit x = (2, 1/2). [3 Marks]arrow_forward3. (i) Consider a mapping F: RN Rm. Explain in your own words the relationship between the existence of all partial derivatives of F and dif- ferentiability of F at a point x = RN. (ii) [3 Marks] Calculate the gradient of the following function f: R2 → R, f(x) = ||x||3, Total marks 10 where ||x|| = √√√x² + x/2. [7 Marks]arrow_forward1. (i) (ii) which are not. What does it mean to say that a set ECR2 is closed? [1 Mark] Identify which of the following subsets of R2 are closed and (a) A = [-1, 1] × (1, 3) (b) B = [-1, 1] x {1,3} (c) C = {(1/n², 1/n2) ER2 | n EN} Provide a sketch and a brief explanation to each of your answers. [6 Marks] (iii) Give an example of a closed set which does not have interior points. [3 Marks]arrow_forward
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