The function P(x)=x^3−2x^2 is dilated by the function I(x)=P(4x).

Which function rule represents I(x)?

A.) I(x)=4x^3−8x^2
B.) I(x)=64x^3−32x^2
C.) I(x)=4x^3−2x^2
D.) I(x)=64x^3−2x^2