1.

Let f : R -{(-4)/(3)} to -{(4)/(3)} : f (x) =(4x)/((3x+4)) . " Then " f^(-1) (y)=?

Answer»

`(4Y)/((4-3y))`
`(4y)/((4y+3))`
`(4y)/((3y-4))`
NONE of these

Answer :A


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