SEQUENCES Graphing A Sequence (Page 7 of 9)

To find the twelfth term on the Home screen, enter the sequence name u, then type 12 in parentheses.

 2nd QUIT key. CLEAR key.

 2nd u key. Left parenthesis key. 12 Right parenthesis key. ENTER key.

 Calculator screen image.

Since we want to graph the first twelve terms, n will vary from 1 to 12, so set Xmin=0 and Xmax=13. For the y-axis set Ymin=0, Ymax=50 and Yscl=10 (since the terms range from 3 to 47). Set nMin=1 and nMax=12 for the first twelve terms. Also, set PlotStart=1 and make sure PlotStep is set to 1.

 WINDOW key.
 1 ENTER key. 12 ENTER key. 1 ENTER key. 1 ENTER key.
 0 ENTER key. 13 ENTER key. ENTER key. Negation key. 0 ENTER key. 50
 ENTER key. 10		 Calculator screen image. Calculator screen image.
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