Question

F(x) = x^2 -4x + 6

Find the value of f( - 4)

Write the answer as an integer or a decimal number.

Answer 1

f(-4) = (-4)^2 -4(-4) +6

f(-4 = 16+16+6

f(-4) = 38)

Answer 2

38

Explanation:

`f(-4)=(-4)^2-4(-4)+6 \\ \\ =16+16+6 \\ \\ =38`