Write a rule for the graph.

Output = Input – 2

Output = 2 × Input + 2

Output = Input + 2

Output = 2 × Input

As you see the graph is adding by 2.

1+2=3

2+2=4

3+2=5

Just like the graph

Your answer is C

Output = Input + 2

the one that has a slope of 1/2 and is positive.

step-by-step explanation: 2 buckets 1 trip ; 4 buckets 2 trips and so on.