PROBLEM SOLVING Volunteers work for six hours to clean up litter in a park. The graph represents
the time x (in hours) and the number y of garbage bags filled.
Garbage bags

(6, 69)
(5, 57.5) (4, 46)
(2, 23)
10 (1, 11.5)
(3, 34.5)
Write an equation that represents the garbage bags filled as a function of time

Interpret the slope and the y intercept
The domain is____ the range is____

How many garbage bags could the volunteers fill in 12 hours
____ garbage bags

Explain.