***** PARTS A AND B CORRECT, FIND PART C ******

Your starting salary at a company is 70000 dollars, and you get a raise of 4000 dollars each year. Let t represent the number of years since you joined the company.

a) Express the percentage rate of change of your salary as a function of time.

r(t) = 100 * [4000/(4000t+70000)]

b) At what percentage rate will your salary be increasing after 2 years?

The percentage rate your salary will be increasing is 5.128%

c) What value does the percentage rate of change of your salary approach in the long run?

__________%