Question

Let f(x)=x^2+8x. Evaluate f(−4)=

Answer 1

f(-4) = - 16

Explanation:

f(-4) = (-4)2 + 8(-4)

f(-4) = 16 + -32

f(-4) = - 16

Answer 2

f(−4) = -16

Explanation:

f(x)=x^2+8x

f(−4)=
`-4^(2)` + 8 (-4)

= 16 -32

= -16