Which functions are equivalent to f (x) = RootIndex 4 StartRoot 162 EndRoot Superscript x? Check all that apply.

f (x) = 162 Superscript StartFraction x Over 4
f (x) = (3 RootIndex 4 StartRoot 2 EndRoot) Superscript x
f (x) = 9 RootIndex 4 StartRoot 2 EndRoot Superscript x
f (x) = 126 Superscript StartFraction 4 Over x
f (x) = left-bracket 3 (2 Superscript one-fourth Baseline) right-bracket Superscript x