Graph the parabola.y=x-4x-1Plot five points on the parabola: the vertex, two points to the left of the vertex, and two points to the right of

Graph the parabola.y=x²-4x-1Plot five points on the parabola: the vertex, two points to the left of the vertex, and two points to the right of the vertex. Then click on the graph-a-functionbutton.