College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter3: Functions
Section3.CM: Cumulative Review Exercises
Problem 27CM
Related questions
Question
Transcribed Image Text:Find the interval in which the following function is decreasing:
3
-1
1
-1
-2
-3
о (5, 8)
[0, 7)
O (1, 4) and (8, 9)
(0, 5) and (8, 9)
O (7, 9)
Expert Solution
Step 1
A function f is said to be increasing if f(x1)<f(x2) for x1<x2 and x1,x2 belonging to the domain of the function f.
A function f is said to be decreasing if f(x1)>f(x2) for x1 < x2 and x1 ,x2 belonging to the domain of the function f.
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