Chapter 3: Function Graphing 129
minimum, maximum
minimum, maximumminimum, maximum
minimum, maximum
minimum and maximum find a minimum or maximum of a function within a specified
interval to a tolerance of 1âL5.
To find a minimum or maximum, follow these steps.
1. Select
3:minimum or 4:maximum from the CALCULATE menu. The current graph is
displayed.
2. Select the function and set left bound, right bound, and guess as described for
zero.
The cursor is on the solution, and the coordinates are displayed, even if you have
selected
CoordOff format; Minimum or Maximum is displayed in the bottom-left corner.
To move to the same x-value for other selected functions, press } or †. To restore the
free-moving cursor, press | or ~.
intersect
intersectintersect
intersect
intersect finds the coordinates of a point at which two or more functions intersect using
solve(. The intersection must appear on the display to use intersect.
To find an intersection, follow these steps.
1. Select
5:intersect from the CALCULATE menu. The current graph is displayed with
First curve? in the bottom-left corner.
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