7. f(x) = 2 – 15 xr – 6x² +x (a) Find the critical numbers. (b) Find the intervals of increase or decrease. (c) Find the local maximum and minimum values.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section: Chapter Questions
Problem 15T
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f(x) = 2-15 x – 6x² + x³
7.
(a) Find the critical numbers.
(b) Find the intervals of increase or decrease.
(c) Find the local maximum and minimum values.
Transcribed Image Text:f(x) = 2-15 x – 6x² + x³ 7. (a) Find the critical numbers. (b) Find the intervals of increase or decrease. (c) Find the local maximum and minimum values.
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