Scroll down the screen under you reach
DiagnosticOn
Press ENTER to insert the phrase
"DiagnosticOn" on the HOME SCREEN.
Press ENTER a second time to enact the
command.
A neat feature on TI graphing calculators is that they have memory of
recent keystrokes. These keystrokes can be "brought back" by pressing 2
nd
ENTER. Press the 2
nd
Function and then ENTER and the most recent
command "DiagnosticOn" comes up on the HOME SCREEN. Press 2
nd
ENTER a second time and the next prior command enacted (LinReg)
comes up on the HOME SCREEN. Once you have the command LinReg
(ax + b) on your HOME
SCREEN, press ENTER to
obtain the following:
ww
Page 103 - Using a Graphing Calculator to Evaluate any Function
Use a TI-83 to evaluate the function G x x x( ) = −2 3
2
at x = 3. That is, find G(3).
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