EBK SINGLE VARIABLE CALCULUS
8th Edition
ISBN: 8220101383693
Author: Stewart
Publisher: Cengage Learning US
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Textbook Question
Chapter E, Problem 6E
Write the sum in expanded form.
6.
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Use a graph of f to estimate lim f(x) or to show that the limit does not exist. Evaluate f(x) near x = a to support your conjecture. Complete parts (a) and (b).
x-a
f(x)=
1 - cos (4x-4)
3(x-1)²
; a = 1
a. Use a graphing utility to graph f. Select the correct graph below..
A.
W
→
✓
Each graph is displayed in a [- 1,3] by [0,5] window.
B.
in
✓
○ C.
und
☑
Use the graphing utility to estimate lim f(x). Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
x-1
○ A. The limit appears to be approximately ☐ .
(Round to the nearest tenth as needed.)
B. The limit does not exist.
b. Evaluate f(x) for values of x near 1 to support your conjecture.
X
0.9
0.99
0.999
1.001
1.01
1.1
f(x)
○ D.
+
☑
(Round to six decimal places as needed.)
Does the table from the previous step support your conjecture?
A. No, it does not. The function f(x) approaches a different value in the table of values than in the graph, after the approached values are rounded to the…
x²-19x+90
Let f(x) =
.
Complete parts (a) through (c) below.
x-a
a. For what values of a, if any, does lim f(x) equal a finite number? Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
x→a+
○ A.
a=
(Type an integer or a simplified fraction. Use a comma to separate answers as needed.)
B. There are no values of a for which the limit equals a finite number.
b. For what values of a, if any, does lim f(x) = ∞o? Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice.
x→a+
A.
(Type integers or simplified fractions)
C. There are no values of a that satisfy lim f(x) = ∞.
+
x-a
c. For what values of a, if any, does lim f(x) = -∞0? Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice.
x→a+
A. Either a
(Type integers or simplified fractions)
B.
Sketch a possible graph of a function f, together with vertical asymptotes, that satisfies all of the following conditions.
f(2)=0
f(4) is undefined
lim f(x)=1
X-6
lim f(x) = -∞
x-0+
lim f(x) = ∞
lim f(x) = ∞
x-4
_8
Chapter E Solutions
EBK SINGLE VARIABLE CALCULUS
Ch. E - Prob. 1ECh. E - Prob. 2ECh. E - Write the sum in expanded form. 3. i=463iCh. E - Prob. 4ECh. E - Prob. 5ECh. E - Write the sum in expanded form. 6. k=58xkCh. E - Prob. 7ECh. E - Write the sum in expanded form. 8. j=nn+3j2Ch. E - Prob. 9ECh. E - Prob. 10E
Ch. E - Prob. 11ECh. E - Prob. 12ECh. E - Prob. 13ECh. E - Write the sum in sigma notation. 14....Ch. E - Prob. 15ECh. E - Prob. 16ECh. E - Prob. 17ECh. E - Prob. 18ECh. E - Prob. 19ECh. E - Prob. 20ECh. E - Prob. 21ECh. E - Prob. 22ECh. E - Prob. 23ECh. E - Prob. 24ECh. E - Prob. 25ECh. E - Prob. 26ECh. E - Prob. 27ECh. E - Prob. 28ECh. E - Prob. 29ECh. E - Prob. 30ECh. E - Prob. 31ECh. E - Prob. 32ECh. E - Find the value of the sum. 33. i=1n(i+1)(i+2)Ch. E - Prob. 34ECh. E - Prob. 35ECh. E - Find the number n such that i=1ni=78.Ch. E - Prob. 37ECh. E - Prove formula (e) of Theorem 3 using mathematical...Ch. E - Prove formula (e) of Theorem 3 using a method...Ch. E - Prove formula (e) of Theorem 3 using the following...Ch. E - Evaluate each telescoping sum. (a) i=1n[i4(i1)4]...Ch. E - Prove the generalized triangle inequality:...Ch. E - Find the limit. 43. limni=1n1n(in)2Ch. E - Prob. 44ECh. E - Prob. 45ECh. E - Prob. 46ECh. E - Prob. 47ECh. E - Prob. 48ECh. E - Prob. 49ECh. E - Prob. 50E
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