Answer:
U'(3,4)
J'(0,4)
B'(4,3)
P'(3,1)
Explanation:
Refection over y-axis:
After reflection across y-axis, the sign of the x-coordinate will change.
(x ,y) after reflection will be (-x ,y)
U(-3, 4) → U'(3 ,4)
J(0,4) → J'(0,4)
B(-4,3) → B'(4,3)
P(-3, 1) → P'(3 ,1)