f'(x)=(x2-4)(x+5), determine where tangent line to y=f(x) is horizontal. Select all that apply.

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
Section: Chapter Questions
Problem 3CC: If xis large, which function grows faster, f(x)=2x or g(x)=x2?
Question

If f'(x)=(x2-4)(x+5), determine where tangent line to y=f(x) is horizontal.

Select all that apply.

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