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If f(x) =x^2 and g(x) = sqrtx, then the ...

If f(x) =`x^2` and g(x) = `sqrtx`, then the correct relation will be

A

`g{f(4)} = 4 `

B

`g{f(3)} = 6`

C

`g{f(-2)} = -2 `

D

`g{f(2)} = 4`

Text Solution

Verified by Experts

The correct Answer is:
A
f(4)`= 4^2 = 18`
and `g(18) = sqrt16 = 4`
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