This graph represents the basic cube function shifted 2 units up. Notice that the +2 occurs outside of the function group.

The anchor points:
(-1,-1) (0,0) (1,1) become
(-1,1) (0,2) (1,3).
The y component of each coordinate shifts 2 units in the positive direction.

Click on "original function" above to compare this graph to the basic cube graph.

A negative number will result in a vertical shift down. Unsure of vertical shift? Read about graphing using transformations.