Plot y = Plot y = The domain is -1 <= x < 1. |
By the way, what is shown in the plot by the red line, is the positive branch of the function y =. What is shown in the green line is the negative branch of this function: y = . It is plotted under the assumption that your formula is = . But Your writing is ambiguous: it may be read in more than 1 way. Use parentheses to make your formulas unambiguous.