9-18 (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 %3D
9-18 (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 %3D
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section2.CT: Chapter Test
Problem 4CT
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Rate of Change
The relation between two quantities which displays how much greater one quantity is than another is called ratio.
Slope
The change in the vertical distances is known as the rise and the change in the horizontal distances is known as the run. So, the rise divided by run is nothing but a slope value. It is calculated with simple algebraic equations as:
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I am unsure where to even start on questions 10 and 11. Should I start by finding ther derivative then set to zero? I don't know what would come after that.
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