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If f : R to R is defined by f(x) = x^(2)...

If `f : R` to `R` is defined by `f(x) = x^(2)- 6x + 4 ` then , `f(3x + 4) `=

A

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

B

`9x^(2)+ 6x - 4`

C

`2x+2`

D

`x^(2) + 6x + 9`

Text Solution

Verified by Experts

The correct Answer is:
B
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