Which equation is modeled by the graph? What is the estimated change in the number of cars in the parking garage for each minute after 8 am?
A. y = -3x + 50; 3 cars per minute
B. y = 3x -50 ; 3 cars per minute
C. y = 4x + 50; 4 cars per minute
D. y = 3x + 50; 3 cars per minute
E. = 3/50; x 3 cars per minute
