4: Introduction to the TI-84
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- 4.2: Finding zeros, maxima, and minima
- In this section, we will show how to locate local maxima and minima of a function (peaks and valleys of its graph), and the intersection points of two graphs. Further we will be able to use the calculator to find the x -intercepts of a graph. The x -intercepts are commonly called zeros or roots of the function f. In other words, a zero of a function f is a number x for which f(x)=0.