Question Part Points Submissions Used Question Part Points Submissions Used Ques

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Question Part Points Submissions Used
Question Part Points Submissions Used
Question Part Points Submissions Used
Question Part Points Submissions Used
Question Part Points Submissions Used ?1 < x <
< x < 2, ?2 < x < < x < 1.                                                     



The function is increasing for ?1 < x <
and x ?<>

, and decreasing for x ?<>
and0 < x <
. Question Part Points Submissions Used The graph of a function is given. For which x in the range shown is the function increasing? For which x is the function decreasing? The function is increasing for ?1

Explanation / Answer

1. increasing for -1<x<0 U 1<x<2

and decreasing for -2<-1 and 0<x<1

2). increasing when derivative is positive

so increasing for -1<x<0 and 1<x<2

and decreasing when f'(x) is -ve

so decreasing for -2<x<-1 and 0<x<1

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