HELP
2. Find the unit rate demonstrated in the graph
below.
A. 9 miles per hour
B. 4.5 miles per hour
C. 3 miles per hour
D. 1.5 miles per hour
![HELP 2 Find the unit rate demonstrated in the graph below A 9 miles per hour B 45 miles per hour C 3 miles per hour D 15 miles per hour class=](https://us-static.z-dn.net/files/dbf/a90b1b6a43cedff9684d3d616810b5d3.png)