C. The slope of the graph is 1/3
Slope = (y2 - y1) ÷ ( x2- x1)
y2= 5, y1=2, x2=9, x1=0
y2-y1 = 5-2 = 3
x2-x1 = 9-0 = 9
Slope = 3/9 = 1/3
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