In Exercises 1-4, use the definition S'(a) = lim a + h) – f(a) h h40 to find the derivative of the given function at the indicated 1. f(x) = 1/x, a = 2 2. f(x) = x2 + 4, a 1 3. f(x) = 3 - x², a-1 4. f(x) = x + x, a = 0

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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In Exercises 1-4, use the definition
f'(a) = lim la + h) – f(a)
h
to find the derivative of the given function at the indicated
1. f(x) = 1/x, a = 2
2. f(x) = x? + 4, a = 1
3. f(x) = 3 – x2, a = -1
In Exercises 5-8, use the definition
4. f(x) = x3 + x, a = 0
%3D
f(x) – f(a}
x - a
f'(a) = lim
to find the derivative of the given function at the indicated
5. f(x) = 1/x, a = 2
6. f(x) = x2 + 4, a = 1
%3D
7. f(x) = Vx + 1, a = 3
8. f(x) = 2x + 3, a = -1
Transcribed Image Text:In Exercises 1-4, use the definition f'(a) = lim la + h) – f(a) h to find the derivative of the given function at the indicated 1. f(x) = 1/x, a = 2 2. f(x) = x? + 4, a = 1 3. f(x) = 3 – x2, a = -1 In Exercises 5-8, use the definition 4. f(x) = x3 + x, a = 0 %3D f(x) – f(a} x - a f'(a) = lim to find the derivative of the given function at the indicated 5. f(x) = 1/x, a = 2 6. f(x) = x2 + 4, a = 1 %3D 7. f(x) = Vx + 1, a = 3 8. f(x) = 2x + 3, a = -1
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