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If f(x) = 3x - 2 and g(x) = x^(2) ,then ...

If f(x) = 3x - 2 and g(x) = `x^(2)` ,then (fog)(x) = ……..

A

`3x^(2)-2`

B

`3x^(2)+2`

C

`3x-2`

D

`2-3x^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
We have, f(x)=3x-2, `g(x)=x^(2)`
Then (fog)(x)=f(g(x))=f`(x^(2))`
`=3x^(2)-2`
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