Unemployment The relation u gives the number of people unemployed in a country t mon...

Unemployment The relation u gives the number of people unemployed in a country t months after the election of a new president.

a. Is u a function? Why or why not?

b. Interpret the following facts about u(t) in statements describing the unemployment situation:

i. u(0) = 3,000,000

ii. u(12) = 2,800,000

c. On the basis of the information in part b, sketch a possible graph of the number of people unemployed during the first 48 months of the president’s term. Label numbers and units on the axes.