Practice Problems 1. Let f(x) = 3r-4 g(x) = 2x²-3x Evaluate the following at the given z-value. (a) (f-g)(x) at x = 3 (b) (hf)(x) at r=-4 = 3 (c) ()(x) at x = h(x)= x+2 j(x) = |-x+2|

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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Evaluate the following at the given x-value.

 

Practice Problems
1. Let
f(x) = 3x - 4
g(x) = 2x² – 3x
Evaluate the following at the given z-value.
(a) (f-g)(x) at z = 3
(b) (hf)(x) at z = -4
(c) ()(x) at r = 3
(d) (j+g)(x) at x =-2
(e) (jo f) (r) at x = 1
(f) (joj)(x) at x = -8
h(x)
=
1
x + 2
j(x) = |-x+2|
Transcribed Image Text:Practice Problems 1. Let f(x) = 3x - 4 g(x) = 2x² – 3x Evaluate the following at the given z-value. (a) (f-g)(x) at z = 3 (b) (hf)(x) at z = -4 (c) ()(x) at r = 3 (d) (j+g)(x) at x =-2 (e) (jo f) (r) at x = 1 (f) (joj)(x) at x = -8 h(x) = 1 x + 2 j(x) = |-x+2|
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