The value of a company's equipment is $35,000 and decreases at a rate of 6% per year. Write a
function to model this situation, then find the value
of the company's equipment after 3 years.

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?