Question

Use the following function rule to find h(-8b). Simplify your answer.

Answer 1

h(w), now h(-8b) is another way to say w = -8b, so let's do that substitution then.

$\bf h(w)=4w+9\qquad \qquad\qquad h(-8b)=4(-8b)+9\implies h(-8b)=-32b+9$