What are the coordinates of the points after reflecting them across the y-axis?
1) J(1, -3), A(1, -1), P(0, 0)
2) J(-1, 3), A(-1, 1), P(0, 0)
3) J(1, 3), A(1, 1), P(0, 0)
4) J(-1, -3), A(-1, -1), P(0, 0)