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 34 thousand?
A)Years after 2006
B)Years after 2004
C)Years after 2008
D)Years after 2010

Question

Quizplus · Accepted Answer

The number of cars sold will exceed 34 thousand when y > 34. Substituting this into the formula, we get 3x + 4 > 34. Solving for x, we get x > 10. This means that the number of cars sold will exceed 34 thousand more than 10 years after 1996, which is after 2006.

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