match each function name with its equation

f(x)=x^2

f(x)=x

f(x)=x

f(x)=3x

f(x)=1/x

f(x)=1/x^2

f(x)=x^3

f(x)=|x|

pick either reciprocal squared,cubic,absolute value,quadratic,square root,reciprocal,linear,cube root