EBK CALCULUS & ITS APPLICATIONS
14th Edition
ISBN: 9780134507132
Author: Asmar
Publisher: YUZU
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Textbook Question
Chapter 3.3, Problem 17E
In Exercise 1-18, suppose that
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Keity
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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 Marks
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]
2.
(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 Marks
Chapter 3 Solutions
EBK CALCULUS & ITS APPLICATIONS
Ch. 3.1 - Consider the function y=(x+1)x. Differentiate y by...Ch. 3.1 - Prob. 2CYUCh. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28. y=xxCh. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28. y=[...
Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Prob. 18ECh. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28. y=[...Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Differentiate the functions in Exercise 1-28....Ch. 3.1 - Find the equation of the tangent line to the curve...Ch. 3.1 - Find the equation of the tangent line to the curve...Ch. 3.1 - Find all x-coordinates of points (x,y) on the...Ch. 3.1 - Find the inflection points on the graph of...Ch. 3.1 - Find all x such that dydx=0, where...Ch. 3.1 - The graph of y=(x21)4(x2+1)5 is shown in Fig. 3....Ch. 3.1 - Find the point(s) on the graph of y=(x2+3x1)/x...Ch. 3.1 - Find the point(s) on the graph of y=(2x4+1)(x5)...Ch. 3.1 - Find d2ydx2. y=(x2+1)4Ch. 3.1 - Find d2ydx2. y=x2+1Ch. 3.1 - Find d2ydx2 y=xx+1Ch. 3.1 - Find d2ydx2 y=22+x2Ch. 3.1 - In Exercises 4144, a function h(x) is defined in...Ch. 3.1 - In Exercises 4144, a function h(x) is defined in...Ch. 3.1 - In Exercises 4144, a function h(x) is defined in...Ch. 3.1 - In Exercises 4144, a function h(x) is defined in...Ch. 3.1 - Volume An open rectangular box is 3 feet long and...Ch. 3.1 - Volume A closed rectangular box is to be...Ch. 3.1 - Prob. 47ECh. 3.1 - Prob. 48ECh. 3.1 - Average Revenue Let R(x) be the revenue received...Ch. 3.1 - Average Velocity Let s(t) be the number of miles a...Ch. 3.1 - Prob. 51ECh. 3.1 - Cost-Benefit of Emission Control A manufacturer...Ch. 3.1 - In Exercises 53 and 54, use the fact that at the...Ch. 3.1 - Prob. 54ECh. 3.1 - Prob. 55ECh. 3.1 - Prob. 56ECh. 3.1 - Prob. 57ECh. 3.1 - Prob. 58ECh. 3.1 - Prob. 59ECh. 3.1 - If f(x) and g(x) are differentiable functions such...Ch. 3.1 - If f(x) and g(x) are differentiable functions such...Ch. 3.1 - Prob. 62ECh. 3.1 - Let f(x)=1/x and g(x)=x3. Show that the product...Ch. 3.1 - Prob. 64ECh. 3.1 - Prob. 65ECh. 3.1 - Prob. 66ECh. 3.1 - Prob. 67ECh. 3.1 - Prob. 68ECh. 3.1 - Prob. 69ECh. 3.2 - Consider the function h(x)=(2x35)5+(2x35)4 Write...Ch. 3.2 - Consider the function h(x)=(2x35)5+(2x35)4 Compute...Ch. 3.2 - Prob. 3CYUCh. 3.2 - Compute f(g(x)), where f(x) and g(x) are the...Ch. 3.2 - Compute f(g(x)), where f(x) and g(x) are the...Ch. 3.2 - Compute f(g(x)), where f(x) and g(x) are the...Ch. 3.2 - Compute f(g(x)), where f(x) and g(x) are the...Ch. 3.2 - Each of following functions may be viewed as a...Ch. 3.2 - Each of following functions may be viewed as a...Ch. 3.2 - Each of following functions may be viewed as a...Ch. 3.2 - Each of following functions may be viewed as a...Ch. 3.2 - Each of following functions may be viewed as a...Ch. 3.2 - Each of following functions may be viewed as a...Ch. 3.2 - Differentiate the functions in Exercises 1120...Ch. 3.2 - Differentiate the functions in Exercises 1120...Ch. 3.2 - Differentiate the functions in Exercises 1120...Ch. 3.2 - Differentiate the functions in Exercises 1120...Ch. 3.2 - Differentiate the functions in Exercises 1120...Ch. 3.2 - Differentiate the functions in Exercises 1120...Ch. 3.2 - Differentiate the functions in Exercises 1120...Ch. 3.2 - Differentiate the functions in Exercises 1120...Ch. 3.2 - Differentiate the functions in Exercises 1120...Ch. 3.2 - Differentiate the functions in Exercises 1120...Ch. 3.2 - In Exercises 2126, a function h(x) is defined in...Ch. 3.2 - Prob. 22ECh. 3.2 - Prob. 23ECh. 3.2 - In Exercises 2126, a function h(x) is defined in...Ch. 3.2 - In Exercises 2126, a function h(x) is defined in...Ch. 3.2 - Prob. 26ECh. 3.2 - Sketch the graph of y=4x/(x+1)2,x1.Ch. 3.2 - Sketch the graph of y=2/(1+x2)Ch. 3.2 - Compute ddxf(g(x)), where f(x) and g(x) are...Ch. 3.2 - Compute ddxf(g(x)), where f(x) and g(x) are...Ch. 3.2 - Compute ddxf(g(x)), where f(x) and g(x) are...Ch. 3.2 - Compute ddxf(g(x)), where f(x) and g(x) are...Ch. 3.2 - Compute ddxf(g(x)), where f(x) and g(x) are...Ch. 3.2 - Compute ddxf(g(x)), where f(x) and g(x) are...Ch. 3.2 - Compute ddxf(g(x)), where f(x) and g(x) are...Ch. 3.2 - Compute ddxf(g(x)), where f(x) and g(x) are...Ch. 3.2 - Compute dydx using the chain rule in formula (1)....Ch. 3.2 - Compute dydx using the chain rule in formula (1)....Ch. 3.2 - Compute dydx using the chain rule in formula (1)....Ch. 3.2 - Compute dydxt=t0 y=x23x,x=t2+3,t0=0Ch. 3.2 - Compute dydxt=t0 y=(x22x+4)2,x=1t+1,t0=1Ch. 3.2 - Compute dydxt=t0 y=x+1x1,x=t24,t0=3Ch. 3.2 - Prob. 44ECh. 3.2 - Find the equation of the line tangent to the graph...Ch. 3.2 - Find the equation of the line tangent to the graph...Ch. 3.2 - Find the x- coordinate of all points on the curve...Ch. 3.2 - The function f(x)=x26x+10 has one relative minimum...Ch. 3.2 - Prob. 49ECh. 3.2 - Allometric Equation Many relations in biology are...Ch. 3.2 - Suppose that P, y and t are variables, where P is...Ch. 3.2 - Suppose that Q, x and y are variables, where Q is...Ch. 3.2 - Marginal Profit and Times Rate of Change When a...Ch. 3.2 - Marginal Cost and Time Rate of Change The cost of...Ch. 3.2 - A model for Carbon Monoxide Levels Ecologists...Ch. 3.2 - Profit A manufacturer of microcomputers estimates...Ch. 3.2 - Prob. 57ECh. 3.2 - Prob. 58ECh. 3.2 - If f(x) and g(x) are differentiable functions,...Ch. 3.2 - Prob. 60ECh. 3.2 - Effect of Stocks on Total Assets of a Company...Ch. 3.2 - Refer to Exercise 61. Use chain rule to find...Ch. 3.2 - Refer to Exercise 61. Find dxdt|t=2.5 and...Ch. 3.2 - Refer to Exercise 61. What was the maximum value...Ch. 3.2 - In an expression of the form f(g(x)), f(x) is...Ch. 3.3 - Solution can be found following the section...Ch. 3.3 - Solution can be found following the section...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - In Exercise 1-18, suppose that x and y are related...Ch. 3.3 - Use implicit differentiation of the equation in...Ch. 3.3 - Use implicit differentiation of the equation in...Ch. 3.3 - Use implicit differentiation of the equation in...Ch. 3.3 - Use implicit differentiation of the equation in...Ch. 3.3 - Use implicit differentiation of the equation in...Ch. 3.3 - Use implicit differentiation of the equation in...Ch. 3.3 - Find the equation of the tangent line to the graph...Ch. 3.3 - Find the equation of the tangent line to the graph...Ch. 3.3 - Slope of the Lemniscate The graph of...Ch. 3.3 - The graph of x4+2x2y2+y4=9x29y2 is a lemniscate...Ch. 3.3 - Marginal Rate of Substitution Suppose that x and y...Ch. 3.3 - Demand Equation Suppose that x and y represents...Ch. 3.3 - In Exercise 31 36, suppose that x and y are both...Ch. 3.3 - In Exercise 31 36, suppose that x and y are both...Ch. 3.3 - In Exercise 31 36, suppose that x and y are both...Ch. 3.3 - Prob. 34ECh. 3.3 - In Exercise 31 36, suppose that x and y are both...Ch. 3.3 - Prob. 36ECh. 3.3 - Prob. 37ECh. 3.3 - Prob. 38ECh. 3.3 - Demand Equation Suppose that the price p (in...Ch. 3.3 - Demand Equation Suppose that the price p (in...Ch. 3.3 - Advertising Affects Revenue The monthly...Ch. 3.3 - Rate of Change of Price Suppose that in Boston the...Ch. 3.3 - Related Rates Figure 7 shows a 10- foot ladder...Ch. 3.3 - Related Rates An airplane flying 390 feet per...Ch. 3.3 - Related Rates A baseball diamond is a 90- foot by...Ch. 3.3 - Related Rates A motorcyclist is driving over a...Ch. 3 - State the product rule and quotient rule.Ch. 3 - Prob. 2CCECh. 3 - Prob. 3CCECh. 3 - Prob. 4CCECh. 3 - Prob. 5CCECh. 3 - Prob. 6CCECh. 3 - Differentiate the following functions....Ch. 3 - Differentiate the following functions....Ch. 3 - Differentiate the following functions. y=x(x51)3Ch. 3 - Differentiate the following functions....Ch. 3 - Differentiate the following functions....Ch. 3 - Differentiate the following functions. y=xx+4Ch. 3 - Differentiate the following functions....Ch. 3 - Differentiate the following functions....Ch. 3 - Differentiate the following functions. y=x26xx2Ch. 3 - Differentiate the following functions. y=2x23xCh. 3 - Differentiate the following functions. y=(3x2x3)2Ch. 3 - Differentiate the following functions. y=x3+xx2xCh. 3 - Let f(x)=(3x+1)4(3x)5. Find all x such that...Ch. 3 - Let f(x)=x2+1x2+5. Find all x such that f(x)=0.Ch. 3 - Find the equation of the line tangent to the graph...Ch. 3 - Find the equation of the line tangent to the graph...Ch. 3 - Minimizing Area A botanical display is to be...Ch. 3 - Repeat Exercise 17, with the sidewalk on the...Ch. 3 - Cost function A store estimates that its cost when...Ch. 3 - Rate of Change of Taxes A company pays y dollars...Ch. 3 - In Exercise 21-23, find a formula for ddxf(g(x)),...Ch. 3 - In Exercise 21-23, find a formula for ddxf(g(x)),...Ch. 3 - In Exercise 21-23, find a formula for ddxf(g(x)),...Ch. 3 - In Exercise 24-26, find a formula for ddxf(g(x)),...Ch. 3 - In Exercise 24-26, find a formula for ddxf(g(x)),...Ch. 3 - In Exercise 24-26, find a formula for ddxf(g(x)),...Ch. 3 - In Exercise 27-29, find dydx, where y is a...Ch. 3 - In Exercise 27-29, find dydx, where y is a...Ch. 3 - In Exercise 27-29, find dydx, where y is a...Ch. 3 - In Exercises 30 32, find dydx, where y is a...Ch. 3 - In Exercises 30 32, find dydx, where y is a...Ch. 3 - In Exercises 30 32, find dydx, where y is a...Ch. 3 - Exercises 33 38 refer to the graphs of the...Ch. 3 - Exercises 33 38 refer to the graphs of the...Ch. 3 - Exercises 33 38 refer to the graphs of the...Ch. 3 - Exercises 33 38 refer to the graphs of the...Ch. 3 - Exercises 33 38 refer to the graphs of the...Ch. 3 - Exercises 33 38 refer to the graphs of the...Ch. 3 - Revenue Function The revenue, R, that a company...Ch. 3 - Amount of Drug Usage The amount, A, of anesthetics...Ch. 3 - The graph of x2/3+y2/3=8 is the astroid in Fig. 3...Ch. 3 - Slope of the Folium of Descartes The graph of...Ch. 3 - Slope of the Folium of Descartes The graph of...Ch. 3 - In Exercises 43-46, x and y are related by the...Ch. 3 - In Exercises 43-46, x and y are related by the...Ch. 3 - In Exercises 43-46, x and y are related by the...Ch. 3 - Cost Analysis and Production A factorys weekly...Ch. 3 - Use of Books at a Library A town library estimates...Ch. 3 - Demand equation Suppose that the price p and...Ch. 3 - Volume of an Oil Spill An offshore oil well is...Ch. 3 - Weight and Surface Area Animal physiologists have...Ch. 3 - Sales and Advertising Suppose that a kitchen...
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