New homeowners hire a painter to paint rooms in their house. The painter pays $90 for supplies and charges the homeowners $30 for each room they want painted.
Which of the following graphs shows the relationship between the amount of money the painter earns, in dollars, and the number of rooms he paints?
a coordinate grid with the x axis labeled rooms painted and the y axis labeled amount of money earned and a line going from the point 0 comma negative 90 through the point 3 comma 0
a coordinate grid with the x axis labeled rooms painted and the y axis labeled amount of money earned and a line going from the point 0 comma negative 90 through the point 2 comma negative 150
a coordinate grid with the x axis labeled rooms painted and the y axis labeled amount of money earned and a line going from the point 0 comma 90 through the point 2 comma 150
a coordinate grid with the x axis labeled rooms painted and the y axis labeled amount of money earned and a line going from the point 0 comma 90 through the point 3 comma 0
The correct graph is:
a coordinate grid with the x axis labeled rooms painted and the y axis labeled amount of money earned and a line going from the point 0, 90 through the point 3, 0