A) \[\frac{x+4}{3}\]
B) \[\frac{x}{3}-4\]
C) \[3x+4\]
D) none of these
Correct Answer: A
Solution :
Let \[{{f}^{-1}}(x)=y\]then \[x=f(y)=3y-4\Rightarrow \]\[y=\frac{x+4}{3}\] \[{{f}^{-1}}(x)=y\Rightarrow {{f}^{-1}}(x)=\frac{x+4}{3}\]You need to login to perform this action.
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