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I. Entering the Function in the Graph Window
A. Polynomial Functions
1) We will use the polynomial
as our first example.
Access the graph menu by pressing
and then enter the function. To type the variable you can use the variable key
.
2) When the polynomial has radical coefficients, the parentheses must be closed before the variable is entered. Failure to do so will result in an incorrect graph. For example,
must be entered as
