👉 Learn how to graph a tangent function. To graph a tangent function, we first determine the period (the distance/time for a ...

👉 Learn how to find the vertical/horizontal asymptotes of a function. An asymptote is a line that the graph of a function ...

Horizontal lines run left to right, parallel to the horizon, with slope 0 and equation y = k. Vertical lines run top to bottom, perpendicular to the horizon, with undefined slope and equation x = k.