7. Use function composition to solve the equation (x² - 5)² + 7x² − 23 = 0. (Hint: Note the equation can be rewritten as (x² - 5)² + 7 (x² - 5) + 12 = 0.) 10. Which of the following graphs represent functions that are differentiable at x = why or why not). (a) (b) (c) УА УЛ =0? (Explain (d) YA J

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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7. Use function composition to solve the equation (x² - 5)² + 7x² − 23 = 0. (Hint: Note the
equation can be rewritten as (x² - 5)² + 7 (x² - 5) + 12 = 0.)
Transcribed Image Text:7. Use function composition to solve the equation (x² - 5)² + 7x² − 23 = 0. (Hint: Note the equation can be rewritten as (x² - 5)² + 7 (x² - 5) + 12 = 0.)
10. Which of the following graphs represent functions that are differentiable at x =
why or why not).
(a)
(b)
(c)
УА
УЛ
=0? (Explain
(d)
YA
J
Transcribed Image Text:10. Which of the following graphs represent functions that are differentiable at x = why or why not). (a) (b) (c) УА УЛ =0? (Explain (d) YA J
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