CALCULUS, EARLY TRANSITIONS (LL)
9th Edition
ISBN: 9780357305041
Author: Stewart
Publisher: CENGAGE L
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Chapter D, Problem 48E
To determine
Prove the identity
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Given the graph of f(x) below. Determine the average rate of change of f(x) from x = -2 to x = 2.
Give your answer as a simplified fraction if necessary. For example, if you found that msec =
, you would enter
3
2
2
3
X
23
A function is defined on the interval (-π/2,π/2) by this multipart rule:
if -π/2 < x < 0
f(x) =
a
if x=0
31-tan x
+31-cot x
if 0 < x < π/2
Here, a and b are constants. Find a and b so that the function f(x) is continuous at x=0.
a=
b= 3
Use the definition of continuity and the properties of limits to show that the function is continuous at the given number a.
f(x) = (x + 4x4) 5,
a = -1
lim f(x)
X--1
=
lim
x+4x
X--1
lim
X-1
4
x+4x
5
))"
5
))
by the power law
by the sum law
lim (x) + lim
X--1
4
4x
X-1
-(0,00+(
Find f(-1).
f(-1)=243
lim (x) +
-1 +4
35
4 ([
)
lim (x4)
5
x-1
Thus, by the definition of continuity, f is continuous at a = -1.
by the multiple constant law
by the direct substitution property
Chapter D Solutions
CALCULUS, EARLY TRANSITIONS (LL)
Ch. D - Prob. 1ECh. D - Convert from degrees to radians. 2. 300Ch. D - Prob. 3ECh. D - Prob. 4ECh. D - Convert from degrees to radians. 5. 900Ch. D - Prob. 6ECh. D - Prob. 7ECh. D - Prob. 8ECh. D - Prob. 9ECh. D - Prob. 10E
Ch. D - Prob. 11ECh. D - Prob. 12ECh. D - Prob. 13ECh. D - Prob. 14ECh. D - A circle has radius 1.5 m. What angle is subtended...Ch. D - Find the radius of a circular sector with angle...Ch. D - Prob. 17ECh. D - Prob. 18ECh. D - Draw, in standard position, the angle whose...Ch. D - Prob. 20ECh. D - Prob. 21ECh. D - Prob. 22ECh. D - Find the exact trigonometric ratios for the angle...Ch. D - Prob. 24ECh. D - Prob. 25ECh. D - Find the exact trigonometric ratios for the angle...Ch. D - Prob. 27ECh. D - Prob. 28ECh. D - Prob. 29ECh. D - Prob. 30ECh. D - Prob. 31ECh. D - Find the remaining trigonometric ratios. 32....Ch. D - Prob. 33ECh. D - Prob. 34ECh. D - Prob. 35ECh. D - Prob. 36ECh. D - Prob. 37ECh. D - Prob. 38ECh. D - Prob. 39ECh. D - Prob. 40ECh. D - Prob. 41ECh. D - Prob. 42ECh. D - Prob. 43ECh. D - Prove the identity. 44. sin(x)=sinxCh. D - Prob. 45ECh. D - Prob. 46ECh. D - Prob. 47ECh. D - Prob. 48ECh. D - Prob. 49ECh. D - Prob. 50ECh. D - Prob. 51ECh. D - Prob. 52ECh. D - Prob. 53ECh. D - Prob. 54ECh. D - Prob. 55ECh. D - Prob. 56ECh. D - Prob. 57ECh. D - Prob. 58ECh. D - If sinx=13 and secy=54 , where x and y lie between...Ch. D - Prob. 60ECh. D - Prob. 61ECh. D - If sinx=13 and secy=54 , where x and y lie between...Ch. D - Prob. 63ECh. D - Prob. 64ECh. D - Prob. 65ECh. D - Prob. 66ECh. D - Find all values of x in the interval [0,2] that...Ch. D - Prob. 68ECh. D - Prob. 69ECh. D - Prob. 70ECh. D - Prob. 71ECh. D - Prob. 72ECh. D - Prob. 73ECh. D - Prob. 74ECh. D - Prob. 75ECh. D - Prob. 76ECh. D - Prob. 77ECh. D - Prob. 78ECh. D - Prob. 79ECh. D - Prob. 80ECh. D - Prob. 81ECh. D - Prob. 82ECh. D - Prob. 83ECh. D - Prob. 84ECh. D - Prob. 85ECh. D - Prob. 86ECh. D - Prob. 87ECh. D - Prob. 88E
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