14. Consider the function f(x) = xª – 2x?. %3D - a) Find the interval(s) where the function is increasing and the interval(s) where it is decreasing. b) Use the second derivative test to identify local extrema and find their values. c) Find the interval(s) where the function is concave up and the interval(s) where it is concave down.

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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14) I need help with my calculus homework, thx!

14. Consider the function f(x) = xª – 2x?.
a) Find the interval(s) where the function is increasing and the interval(s) where it
is decreasing.
b) Use the second derivative test to identify local extrema and find their values.
c) Find the interval(s) where the function is concave up and the interval(s) where
it is concave down.
Transcribed Image Text:14. Consider the function f(x) = xª – 2x?. a) Find the interval(s) where the function is increasing and the interval(s) where it is decreasing. b) Use the second derivative test to identify local extrema and find their values. c) Find the interval(s) where the function is concave up and the interval(s) where it is concave down.
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