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If f(x)=(4-x)^2 and g(x)=sqrtx, then (g ...

If f(x)`=(4-x)^2` and g(x)`=sqrtx`, then (g o f) (x)=

A

`|4-x|`

B

`|2-x|`

C

`sqrt(x(4-x)^2)`

D

`(sqrt(4-x))^2`

Text Solution

Verified by Experts

The correct Answer is:
A
`(g^(@)f)(x)=g(f(x))=sqrt((4-x)^2)=|4-x|`. [1]
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