If f (x) =(x^(2) -1) " and " g (x) =(2...

If `f (x) =(x^(2) -1) " and " g (x) =(2x +3) " then " (g o f) (x) =?`

A

`(2x^(2) +3)`

B

`(3x^(2) +2)`

C

`(2x^(2) +1)`

D

none of these

Verified by Experts

The correct Answer is:

C

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