Answer:
A
Step-by-step explanation:
In Function A, Y is steadily going up by 3. Therefore, the rate of change is 3.
Rate of change is identical to slope, so using points (1,0) and (3,5), you can tell the slope is 5/2, or 2.5. 2.5 is smaller than 3, so it must be A.
Sorry about the other guy.
Learn to answer right Zemanthes or whatever your name is.