A $50,000 tractor has a resale value of $10,000 twenty years after it was purchased. Assume that the value of the tractor depreciates linearly from the time of purchase. (a) Find a formula for the value of the tractor as a function of the time since it was purchased. (b) Graph the value of the tractor against time. (c) Find the horizontal and vertical intercepts, give units, and interpret them. 2

Koshar Amy Brogan Test 2 Review Terms List Chapter 11: Critical voter: a voter who is needed in a combination voting system for the motion to pass o Order does not matter Coalition: a set of votes in agreement for the motion to pass, “yes” votes given by the weighted...