Solve the problem.
-Using data from 1996-1998, the annual number of cars sold at a certain dealership can be modeled by the formula Y = 3x + 4, Where y is the number of cars, in thousands, sold x years after 1996. According to this formula, in which years Will the number of cars sold exceed 25 thousand?
A)Years after 2001
B)Years after 2005
C)Years after 2003
D)Years after 2007

Question

Quizplus · Accepted Answer

To find when the number of cars sold exceeds 25 thousand, solve the inequality 3x + 4 > 25. Subtract 4 from both sides to get 3x > 21, then divide by 3 to get x > 7. This means the number of cars sold will exceed 25 thousand in years after 1996 + 7 = 2003.

Solve the Problem. -Using Data from 1996-1998, the Annual Number of Cars Sold