F (x)=3-x^3+4 x0=-1plzz help

Question

F (x)=3-x^3+4 x0=-1
plzz help

Answer 1

F(x)=3-x^3+4x0=-1=f-1+4=x3^=7xf(x)

Answer 2

F=-3x^2
f(x0)=f(-1)=-3