From 1990 to 2010, the numbers (in millions) of female F and male M

employees from the ages of 16 to 19 in the United States can be modeled by F(t)=−0.007t2+0.10t+3.7

and M(t)=0.0001t3−0.009t2+0.11t+3.7

, where t

is the number of years since 1990.

a. Find (F+M)(t)

.

(F+M)(t)=

Question 2