If $f ( x ) = x ^ { 3 } - 5$

question 141

Multiple Choice

If $f ( x ) = x ^ { 3 } - 5$ and $g ( x ) = \sqrt [ 3 ] { x + 5 }$ , then which of the following is/are true?

• A) \(( f \circ g ) ( x ) = x\) and \(( g \circ f ) ( x ) = x\)
• B) \(f\) is the inverse function of \(g\)
• C) \(g\) is the inverse function of \(f\)
• D) All of the above are true.

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