Finding the Domain of a Composite FunctionFind the domain of f ∘ g for the functionsf(x) = x2 − 9 and g(x) = √9 − x2.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter4: Exponential And Logarithmic Functions
Section4.3: Logarithmic Functions
Problem 76E
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Finding the Domain of a Composite Function
Find the domain of f ∘ g for the functions
f(x) = x2 − 9 and g(x) = √9 − x2.

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