Question: Consider the function f left parenthesis x right parenthesis equals square root of x plus 4 end root. Find the formula for the inverse function.

Consider the function f left parenthesis x right parenthesis equals square root of x plus 4 end root. Find the formula for the inverse function. f to the power of negative 1 end exponent left parenthesis x right parenthesis equals x squared plus 2 f to the power of negative 1 end exponent left parenthesis x right parenthesis equals x squared plus 4 f to the power of negative 1 end exponent left parenthesis x right parenthesis equals x squared minus 4 f to the power of negative 1 end exponent left parenthesis x right parenthesis equals x squared minus 2

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