When given a graph, the easiest way to find the slope is to count the rise over run (y/x).
The slope from x=0 to x=2 is: 3 up over 2 right = +3/+2 = 3/2 = 1.5
The slope from x=2 to x=∞ is: 1 up over 2 right = +1/+2 = 1/2 = 0.5
Answer: C. 0.5
