RATIONAL FUNCTIONS Graphing And Analysis (Page 9 of 19)

To find the coordinates of the relative minimum, use the CALC minimum command. First, widen the view to see further to the left. Adjust the WINDOW settings as shown and re-graph the function. Then find the relative minimum in the same manner as the relative maximum.

 WINDOW key....

 GRAPH key.

 Calculator screen image. Calculator screen image.
 2nd CALC key. 3: menu selection. Negation key. 10 ENTER key. Negation key. 2 ENTER key. Negation key. 6 ENTER key. Calculator screen image.

We used a left bound of -10, a right bound of -2, and a guess of -6. The relative minimum occurs at approximately (-4.493, 4.263).
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