6x² x-9 (a) Find the interval(s) where f(x) is increasing. (Enter your answer using interval notation.) Let f(x) = (b) Find the interval(s) where f(x) is decreasing. (Enter your answer using interval notation.) (c) Find the x-value(s) of all local maxima of f(x). (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE. X= (d) Find the x-value(s) of all local minima of f(x). (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) X=

6x² x-9 (a) Find the interval(s) where f(x) is increasing. (Enter your answer using interval notation.) Let f(x) = (b) Find the interval(s) where f(x) is decreasing. (Enter your answer using interval notation.) (c) Find the x-value(s) of all local maxima of f(x). (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE. X= (d) Find the x-value(s) of all local minima of f(x). (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) X=

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter3: Polynomial And Rational Functions

Section3.1: Quadratic Functions And Models

Problem 54E: Sales A soft-drink vendor at a popular beach analyzes his sales records and find that if he sells x...

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