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

If g(x) = `x^2+x-2`and `1/2g(f(x)) = 2x^2 -5x+2`, then f(x) is

A

`2x +3`

B

`2x-3`

C

`2x ^(2) + 3x +1`

D

`2x ^(2) -3x-1`

Text Solution

Verified by Experts

The correct Answer is:
B
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