Use the following function rule to find h(-8b). Simplify your answer.
h(w), now h(-8b) is another way to say w = -8b, so let's do that substitution then.
[tex]\bf h(w)=4w+9\qquad \qquad\qquad h(-8b)=4(-8b)+9\implies h(-8b)=-32b+9[/tex]