Suppose your annual income is

I(t) =63,000+ 2,000t(0t3)

dollars per year, wheretrepresents the number of years since you began your job, while your annual expenses are

E(t) =56,000+ 1,500t(0t3)

dollars per year. Find the area between the graphs of

I(t)andE(t)for 0t3.

What does your answer represent?

your average savings per year

your average expenses per year

your average income per year

the total amount you were able to save over the first three years

the total amount you spent over the first three years

the total amount you earned over the first three years