Answer
See attached:
Work Step by Step
On a graphing calculator, press the "apps" button and then scroll down to "INEQUAL" (or "Inequalz" depending on calculator model) and press it. Press any key on the calculator to enter the app, and the cursor should be flashing over the "=" sign on "$Y_{1}$". On the calculator, press the "alpha" button and then click the "window" button (this is how you select the F2 command to change the "=" sign into a "
