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9-14 (a) Find the intervals on which f is increasing or decreasing. (b) Find the local maximum and minimum values of f. (c) Find the intervals of concavity and the inflection points. 9. f(x) = x³ – 3x² – 9x + 4

9-14 (a) Find the intervals on which f is increasing or decreasing. (b) Find the local maximum and minimum values of f. (c) Find the intervals of concavity and the inflection points. 9. f(x) = x³ – 3x² – 9x + 4

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Please do 9, 11 and 13
9-14 (a) Find the intervals on which f is increasing or decreasing. (b) Find the local maximum and minimum values of f. (c) Find the intervals of concavity and the inflection points. 9. f(x) = x³ - 3x² - 9x + 4 10. f(x) = 2x³ – 9x² + 12x 3 11. f(x) = x* – 2x² + 3 12. f(x) = %3D 13. f(x) = sin x + cos x, 0 <x< 2m 14. f(x) = cos x 2 sin x, 0<r< 2
Transcribed Image Text:9-14 (a) Find the intervals on which f is increasing or decreasing. (b) Find the local maximum and minimum values of f. (c) Find the intervals of concavity and the inflection points. 9. f(x) = x³ - 3x² - 9x + 4 10. f(x) = 2x³ – 9x² + 12x 3 11. f(x) = x* – 2x² + 3 12. f(x) = %3D 13. f(x) = sin x + cos x, 0 <x< 2m 14. f(x) = cos x 2 sin x, 0<r< 2
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