f(x)=x pangkat 2 hitunglah masing-masing nilai f(1),f(0),f(-6),f(2t),f(k),f(3x)

F(1)= 1^2= 1
F(0)=0^2=0
F(-6)=-6^2=36
F(2t) = 2t^2= 4t^2
F(k) = k^2= k^2
F(3x) =3x^2=9x^2