Let $f : R - \{ - \frac {4} {3} \} \to R$ be a function defined as $f(x)= \frac {4x} {3x+4}$ .The inverse of $f$ is the map $g$: Range $f \to R - \{ - \frac {4} {3} \}$ given by

Question

 

$$\begin{array}{1 1}(a)\;\;\;\;\; g(y)= \frac {3y} {3-4y} & (b)\;\;\;\;\; g(y)= \frac {4y} {4-3y}\\(c)\;\;\;\;\; g(y)= \frac {4y} {3-4y} & (d)\;\;\;\;\; g(y)= \frac {3y} {4-3y}\end{array}$$