N(r)=(7)/(1+0.02r2)r(t)=(5t+75)/(t+10),(0
)
<=t<=
(
24)
percent/year. (a) Find an expression for the number of housing
starts per year (in millions of units) as a function of
t
,
t
months from today.

Which of the following options correctly represents the expression for the number of housing starts per year?

A) (7)/(1+0.02r2)r(t)=(5t+75)/(t+10)
B) (5t+75)/(t+10)
C) (7)/(1+0.02r2)
D) (1+0.02r2)r(t)