Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Question
Question 92?

Transcribed Image Text:89-91. Calculator limits Use a calculator to approximate the following limits.
e³x - 1
89. T lim
x-0
90. lim 1
n x
91. lim
XX
+0x
X
n
n
92. Constant Rule proof For the constant function f(x) = c, use the
definition of the derivative to show that f'(x) = 0.
93. Alternative proof of the Power Rule The Binomial Theorem states that for
any positive integer n,
(a+b)" = a + na"-¹b+
n(n − 1)
2.1
an-26² +
-
n(n − 1) (n − 2)
3.2.1
f(x+h)-f(x)
h
Use this formula and the definition f'(x) = lim
h→0
d
show that
that -(x) = nxn-1, for any positive integer n.
dx
-an-38³ +...+
to
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