So, i've been trying to figure out how to solve the same topic for weeks

anyways Apply the following transformation to the curves with equations y=f(x)

i. $\displaystyle f(x)=x^2 $ ii. $\displaystyle f(x)=x^3 $ iii. $\displaystyle f(x)=1/x $

Transform $\displaystyle f(2x) $