Solve the problem.
-The equation V = -2000t + 23,000 describes the value in dollars of a certain model of car after it is t years old. If a car is worth $15,000, substitute 15,000 into the equation to find the age of the car.
A)4 years
B)3 years
C)5 years
D)6 years

Question

Quizplus · Accepted Answer

Substituting $15,000 for V in the equation gives 15000 = -2000t + 23000. Solving for t, we subtract 23000 from both sides to get -8000 = -2000t, then divide by -2000 to find t = 4.

Solve the Problem. -The Equation V = -2000t + 23,000 Describes the Value