Consider the function f(x) = 3x + 9x-1. For this function there are four important intervals: (-00, A], [A, B).(B, C], and [C, o)where A, and C are the critical values and the function is not defined at B.Find Aand Band CFor each of the following intervals, tell whether f(x) is increasing (type in INC) or decreasing (type in DEC).(-0, A]:[A, B):(B, C]:[C, 0)Note that this function has no inflection points, but we can still consider its concavity. For each of the following intervals, tellwhether f(x) is concave up (type in CU) or concave down (type in CD).(-0, B):(B,0):

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C are the critical values and the function is not defined at B. following intervals, tell whether f(æ) is increasing (type in INC) or decreasing (type unction has no inflection points, but we can still consider its concavity. For each of t

C are the critical values and the function is not defined at B. following intervals, tell whether f(æ) is increasing (type in INC) or decreasing (type unction has no inflection points, but we can still consider its concavity. For each of t

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter3: Functions

Section: Chapter Questions

Problem 30RE: For the following exercises, use the graphs to determine the intervals on which the functions are...

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Question

Consider the function f(x) = 3x + 9x-1. For this function there are four important intervals: (-00, A], [A, B).(B, C], and [C, o)
where A, and C are the critical values and the function is not defined at B.
Find A
and B
and C
For each of the following intervals, tell whether f(x) is increasing (type in INC) or decreasing (type in DEC).
(-0, A]:
[A, B):
(B, C]:
[C, 0)
Note that this function has no inflection points, but we can still consider its concavity. For each of the following intervals, tell
whether f(x) is concave up (type in CU) or concave down (type in CD).
(-0, B):
(B,0):

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