If f: (R) rarr (R) and g (R) rarr (R) de...

If `f: (R) rarr (R)` and `g (R) rarr (R)` defined by `f(x)=2x+3`and`g(x)=x^(2)+7`,then the values of x such that `g(f(x))=8`are

A

1,2

B

`-1,2`

C

`-1,-2`

D

`1,-2`

Text Solution

Verified by Experts

The correct Answer is:

C

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