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Let f :[2,oo)to {1,oo) defined by f (x)=...

Let `f :[2,oo)to {1,oo)` defined by `f (x)=2^(x ^(4)-4x ^(3))and g : [(pi)/(2), pi] to A ` defined by `g (x) = (sin x+4)/(sin x-2)` be two invertible functions, then
The set "A" equals to

A

`[5,2]`

B

`[-2,5]`

C

`[-5,2]`

D

`[-5,-2]`

Text Solution

Verified by Experts

The correct Answer is:
D
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