# Draw Functions on a Graph on the TI-83 Plus

The Draw feature on the TI-83 Plus graphing calculator takes care of many problems for you. You can use it to draw functions on a graph. It will even graph the inverse of a function!

To draw a function on a graph with the TI-83 Plus graphing calculator, press **[2nd][PRGM][6]** to select the **DrawF** option from the Draw menu. Enter the function as a function of *x* and press **[ENTER]**. If you’re in Parametric, Polar, or Sequence mode, the letter *x* is entered into the calculator by pressing

If pressing **[2nd][PRGM][6]** places the **DrawF** command after something that was previously enter in the Home screen, press **[CLEAR]** to erase that line and then press **[2nd][PRGM][6]**.

You can draw inverses of functions in Function mode only. To draw the inverse, press **[2nd][PRGM][8]** to select the **DrawInv **option form the Draw menu. Press

to open the Variables Function menu. Press the number of the function whose inverse you want to graph. Press **[ENTER]** and the inverse function is drawn on the graph, as illustrated in the following image.