Find the Inverse Function of F Informally $f ^ { - 1 } ( x ) = 4 \sqrt { x }$

question 59

Multiple Choice

Find the inverse function of f informally. ?
F(x) = x⁴
?

• A) \(f ^ { - 1 } ( x ) = 4 \sqrt { x }\) ?
• B) \(f ^ { - 1 } ( x ) = \sqrt [ 4 ] { x }\)
• C) \(f ^ { - 1 } ( x ) = \frac { 1 } { \sqrt [ 4 ] { x } }\)
• D) \(f ^ { - 1 } ( x ) = ( \sqrt [ 4 ] { x } ) ^ { 4 }\)
• E) \(f ^ { - 1 } ( x ) = - \sqrt [ 4 ] { x }\)