Question

Помогите пожалуйста построить график функции:

Answer 1

$y=|x^2-1|-x^2+1, \\ x^2-1 \lessgtr 0, \\ (x+1)(x-1)\lessgtr 0, \\ \begin{array}{ccc} \left [ {{x \leq -1,} \atop {x \geq 1;}} \right. & x^2-1\ \textgreater \ 0, & y=x^2-1-x^2+1=0, \\ -1\ \textless \ x\ \textless \ 1, & x^2-1\ \textless \ 0, & y=-x^2+1-x^2+1=-2x^2+2.\end{array}$