RATIONAL FUNCTIONS Graphing And Analysis (Page 1 of 19)

Let's graph the rational function f(x) = (9x^2-16)/(2x^2-x-6). Enter this expression as Y1. It is important to enter the numerator and denominator in parentheses whenever working with rational functions. Once the function is entered, try a standard window.

 Y= key. (Clear any previous functions)

 Left parenthesis key. 9 X,T,theta,n key. x-squared key. Minus key. 16 Right parenthesis key. Divide key. Left parenthesis key. 2 X,T,theta,n key.
 x-squared key. Minus key. X,T,theta,n key. Minus key. 6 Right parenthesis key.

 Calculator screen image.
 ZOOM key. 6: menu selection. Calculator screen image.
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