The graph represents function 1, and the equation represents function 2: how much more is the rate of change if function 2 than the rate if change of function 1?
A. 1
B. 2
C. 3
D. 4

Item 1 use the polygon tool to draw a rectangle with a length of 4 units and a height of 2 units. one of the sides of the rectangle falls on line ef , and the rectangle has a vertex of e. each segment on the grid represents 1 unit.