How to Do an Inverse Function on a TI-9
Graphing calculators can display several different functions as lines on their displays to let people see different solutions for said function. However, the Texas Instruments TI-9 goes one step further by being able to plot the inverse of a function. This lets you see the opposite version of the problem you might be working on to help you check your work for validity.
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Instructions
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1
Enter the graph you want to draw the inverse of in the calculator.
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2
Press the "PRGM" button twice on your calculator.
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3
Scroll to the "DrawInv" command and press "Enter."
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4
Type in the name of the function you want to invert, as indicated by the calculator screen.
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5
Press "Enter" to display the inverse function graph.
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