Note the function shown at the bottom of the app. [br][br]Drag the three labeled points so they lie on the graph of this function. [br]Drag the dashed line so it becomes the horizontal asymptote of this graph. [br][br]Press the [b]check[/b] button at any time to view your progress. [br]To help plot points more accurately, you can set the [b]yAxis scale[/b] in the upper right corner. [br][br]