Question

F(x)=-4x^2+4x-4

Find f(3)

Answer 1

-27

Explanation:

Givens

f(x) = - 4x^2 + 4x -4

Explanation

f(3) means that wherever you see an x on the right, you substitute 3 for it

Solution

f(3) = -4(3^2) + 4*3 -3 Expand

f(3) = -36 + 12 - 3

f(3) = - 27