9B. Which point on the graph is the most helpful in identifying the constant proportionality?
A. (4, 100)
B. (3,75)
C. (2,50)
D. (1,25)

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.