Question

M(t) =
t2-8t-20/
t+5
m(5) =
a. 8.5
b. -8.5
C. 3.5
d. -3.5

Answer 1

d. -3.5

Explanation:

`m(t)=(t^2-8t-20)/(t+5)\\\\m(5)-\text{substitute}\ m=5:\\\\m(5)=(5^2-8\cdot5-20)/(5+5)=(25-40-20)/(10)=(-35)/(10)=-3.5`