Answer:
option C
Step-by-step explanation:
Because it increases with the same rate of 22.5.
To check that you can find the slope of the graph using two points from the graph.
I will take (1, 22.5) and (2, 45).
[tex]slope = \frac{y_2-y_1}{x_2-x_1} = \frac{45-22.25}{2-1} = 22.5[/tex]
