Y₁ = X^2 + X - 12/X - 3

If so, you forgot some important parentheses. The effect of your error was to enter was the wrong function:

f(x) = x2 + x

12 x

3.

If you did not enter a formula on your calculator but still obtained this answer, it looks as though you calculated it as though you were using this wrong function.

Just close this window to return to the tutorial.