Suppose fis a function of x and that you know that f'(x) = 2x² – 15. Is f increasing, decreasing or constant at x=-4? Explain your reasoning

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
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Chapter8: Graphing Quadratic Functions
Section: Chapter Questions
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Suppose fis a function of x and that you know that f'(x) = 2x² – 15. Isf increasing, decreasing or constant
%3D
at x=-4? Explain your reasoning
Transcribed Image Text:Suppose fis a function of x and that you know that f'(x) = 2x² – 15. Isf increasing, decreasing or constant %3D at x=-4? Explain your reasoning
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