Find the image of point (3,4)(3, 4)(3,4) after a reflection across the line y=−xy = -xy=−x.
(4,3)(4, 3)(4,3)
(−4,−3)(-4, -3)(−4,−3)
(−3,−4)(-3, -4)(−3,−4)
(3,−4)(3, -4)(3,−4)