Specifications

Open the starter document 171
4. Drag the line to the top of the graph (the 100% line) while keeping it at
Frame 20 on the horizontal axis. The line is now a complex curve.
Dragging the control point to the top of the graph
5. Drag the left vertex handle of the new control point to the right until it
touches the control point. Drag the right vertex handle to the left until
it touches the control point. This makes the curve pass through the
control point with a simple sharp angle.
The control point with the vertex handles dragged onto the point