The function .
Rewrite the function as .
Interchange x and y.
Solve for y.
Replace y by .
.
Thus, the inverse function is .
The function .
The domain of "f " is the range of "" is all positive values of x .
Since is a radical function, radicand should be greater than or equals to zero.
The domain of "" is the range of "f " is all real numbers of x such that .
The inverse function of f is .
The domain of "f " is the range of "" is all positive values of x .
The domain of "" is the range of "f " is all real numbers of x such that .
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