Piecewise-Defined Function
| Steps | Key Sequence | Screens |
| 1. Input Function or Piecewise-Defined Function |
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| 2. Call Minimum Function | Press 2nd, then TRACE (for CALC) | |
| Press 3 (for minimum) | |
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| NOTE: For the maximum, press 4. | ||
| 3. Input Left Bound | Type in x-value to left of minimum | |
| Press ENTER | |
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| 4. Input Right Bound | Type in x-value to right of minimum | |
| Press ENTER | |
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| 5. Execute Minimum Function | Press ENTER | |
| NOTE: In this case the function has a minimum value of y = 2.75 which occurs at x = –1.5. | ||