Find the set of values of x for which th...

Find the set of values of `x` for which the functions `f(x)=3x^2-1\ a n d\ g(x)=3+x` are equal.

A

`[-1,4/3]`

B

`[1,4/3]`

C

`[-1,-4/3]`

D

`[-2,-4/3]`

Verified by Experts

The correct Answer is:

A

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