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Ti-84 Plus Graphing Calculator For Dummies, 2nd Edition by C. C. Edwards, Jeff McCalla

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Chapter 11

Evaluating Functions

In This Chapter

arrow Finding the value of a function at a specific x-value

arrow Composing functions

arrow Finding the zeros, maximum, and minimum values of a function

arrow Finding points of intersection graphically

arrow Finding the slope of a tangent and the value of the definite integral

arrow Graphing derivatives and drawing inverses of functions

After graphing a function (as described in Chapter 9), you can use the options on the Calculate menu to find the value of the function at a specified value of x, to find the zeros (x-intercepts) of the function, and to find the maximum and minimum values of the function. You can even find the derivative of the function at a specified value of x, or you can evaluate a definite integral of the function. This, in turn, enables you to find the slope of the tangent to the graph of the function at a specified value of x or to find the area between ...

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