Students holding a Car Wash Day washed 12 cars in the first hour, 15 cars in the next hour, and 10 cars in each of the next 4 hours. They earned $60 in the hour, and $50 in the third hour. How much money did they earn in all?

the function makes a strait line horizontally with no x intercept but a y intercept at 9.

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.