How to find a value of a function that is in Y1 given the x-value

1. You could graph and use trace until you get around the x-value then look at y

2. You could go to the table and search the x-values to find the y-value

3. You could go to table set “TBLSET” and set the TblStart to the x-value, then look at the table

4. OR… Go to the home screen

5. Press “VARS”

6. Arrow over to “Y-VARS”

7. Select “1:Function”

8. Select “1: Y1” or wherever your function resides

9. Now Y1 shows up on the home screen.

10. Type a “(“ and the x-value of choice. You could finish it with a “)”

11. Push enter

Example: Y1 = 8x + 3

Y1(5) enter

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