Answer:
The slope is 60.
Points for the graph are: (0,0), (1, 60), (2, 180), (3, 240), (4, 320), (5, 400), (6, 480), (7, 560)
Explanation:
I don't know what the question is but I will tell you your graph is horribly wrong.
The points for the graph is:
(0,0), (1, 60), (2, 180), (3, 240), (4, 320), (5, 400), (6, 480), (7, 560)