Question

F(X)= x3 – 2x2, which expression is equivalent to f(i)

Answer 1

If your options are out of: f(x)=x^3-2x^2 f(i)=(i)^3-2(i)^2 f(i)=-i-2(-1) f(i)=-3-i then it will be: f(i)= -3-i

Answer 2

F(x) = x^3 -2x^2 

f(i) = i^3 -2(i)^2 = - i -2(-1) = - i +2

hope this will help you