Question

Let f(x)=x2+8x. Evaluate f(x)=--16

Answer 1

-384

Explanation:

f(x) =x^2+8x

evaluate f(x)=-16

input -16 for x

-16^2+8(-16)

-16^2= -256

then, 8*-16=-128

add the two negatives

-256+-128= -384