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AP EAMCET Engineering 22 Apr 2019 Shift 2 Paper

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Question : 2

Total: 160

If f : A → B is a function defined by f (x) =

then, which one of the following is true?

A = R - {0 , 2} , B = R and f (x) is decreasing function
A = R - {- 2} , B = R - {1} and f−1 (x) is decreasing function
A = R - {0 , - 2} , B = R - {1} and f−1 (x) is decreasing function
Both f (x) and f−1 (x) are increasing functions

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