TOPIC:Graphing an Inverse of a function

In order to graph the inverse of a function, first make sure that the function has been graphed. As an example, f of x = x cubed - 5x + 1 is entered using the Y = key and graphed below in a standard viewing window using the following key presses to enter the function, the press zoom 6 to graph it in standard window.

key presses


To graph the inverse of , , in the same viewing window press 2nd followed by PRGM [DRAW], and then select 8:DrawInv. After DrawInv appears on the screen, press ALPHA TRACE [F4] and select Y1. Press ENTER twice. Here are the key presses:

TI84 key presses




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