(a) Find the intervals of increase or decrease. (b) Find the local maximum and minimum values. (c) Find the intervals of concavity and the inflection points. (d) Use the information from parts (a)-(c) to sketch the graph. Check your work with a graphing device if you have one. 21. f(x) = 2x³ 3x² - 12x 22. f(x) = 2 + 3x - x³ 24. g(x) 26. h(x) = x³ 28. B(x): 4 23. f(x) = 2 + 2x² - x² 25. h(x) = (x + 1) – 5x − 2 27. A(x)=x√√x + 3 = 200 + 8x³ + x² = 3 2x³ + x 2/3 3x² X

(a) Find the intervals of increase or decrease. (b) Find the local maximum and minimum values. (c) Find the intervals of concavity and the inflection points. (d) Use the information from parts (a)-(c) to sketch the graph. Check your work with a graphing device if you have one. 21. f(x) = 2x³ 3x² - 12x 22. f(x) = 2 + 3x - x³ 24. g(x) 26. h(x) = x³ 28. B(x): 4 23. f(x) = 2 + 2x² - x² 25. h(x) = (x + 1) – 5x − 2 27. A(x)=x√√x + 3 = 200 + 8x³ + x² = 3 2x³ + x 2/3 3x² X

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)

6th Edition

ISBN:9781337111348

Author:Bruce Crauder, Benny Evans, Alan Noell

Publisher:Bruce Crauder, Benny Evans, Alan Noell

Chapter2: Graphical And Tabular Analysis

Section2.CR: Chapter Review Exercises

Problem 1CR: Finding a Minimum Suppose the function f=x392x2+6x+1 describes a physical situation that makes sense...

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