For functions  f(x) = 9x + 2  and  g(x) = x2 − 9,  find the following.   (g ∘ f)(x) =

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.7: Inverse Functions
Problem 2SE: Why do we restrict the domain of the function f(x)=x2 to find the function's inverse?
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For functions 
f(x) = 9x + 2
 and 
g(x) = x2 − 9,
 find the following.
 
(g ∘ f)(x) =
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