PLEASE HELP ASPAP I WILL MARK BRAINLYEST


Triangles DEF and D′E′F′ are shown on the coordinate plane below:


What rotation was applied to triangle DEF to create triangle D′E′F′?

(x, y) → (y, −x)
(x, y) → (−x, −y)
(x, y) → (x, −y)
(x, y) → (−y, x)