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Let f:Rrightarrow R be deifned by f(X)=2...

Let `f:Rrightarrow R` be deifned by `f(X)=2x+6` which is a bijective mapping then `f^(-1)(x)` is given by

A

`(x)/(2)-3`

B

`2x+6`

C

associated but not commutative

D

`6x+2`

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a
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