suppose f(x)=(x-4)(x+2) (a) for which values of x is the function f(x) positive? Explain using inequalities (a) for which values of x is the function f(x) negative? Use inequalities

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
ChapterP: Prerequisites
SectionP.6: Analyzing Graphs Of Functions
Problem 4ECP
Question

suppose f(x)=(x-4)(x+2)

(a) for which values of x is the function f(x) positive? Explain using inequalities

(a) for which values of x is the function f(x) negative? Use inequalities

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