Question

Find the value of f(3) for the function f(x) = -4(x+1)-2

Answer 1

f(3) = - 18

Explanation:

To evaluate f(3) , substitute x = 3 into f(x) , that is

f(3) = - 4(3 + 1) - 2 = - 4(4) - 2 = - 16 - 2 = - 18