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"If "f:R to R, g:R and h:R to R be three...

`"If "f:R to R, g:R and h:R to R` be three functions are given by `f(x)=x^(2)-1,g(x)=sqrt(x^(2)+1)and h(x)={{:(,0,x le0),(,x,xgt 0):}`
Then the composite functions (ho fog) (x)) is given by

A

x

B

`x^(2)`

C

`x^(2) + 1`

D

`x^(2) - 1`

Text Solution

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The correct Answer is:
B
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