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Let f: R-{5/4}->R be a function defines...

Let `f: R-{5/4}->R` be a function defines `f(x)=(5x)/(4x+5)`. The inverse of `f` is the map `g:` Range `f->R-{5/4}` given by

A

`g(y) =(y)/(5-4y)`

B

`g (y)=(5y)/(5+4y)`

C

`g(y) =(5y)/(5-4y)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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TARGET PUBLICATION-SETS, RELATIONS AND FUNCTIONS-COMPETITVE THINKING
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