A rectangle has vertices (-1, 1), (-4, 1), (−1, 3), and (-4, 3). If the rectangle is reflected over the y-axis, what algebraic

Question

A rectangle has vertices (-1, 1), (-4, 1), (−1, 3), and (-4, 3). If the rectangle is reflected over the y-axis, what algebraic rule can be used to find each of the new vertices? Select one: 
(x,y) → (y, - x)
(x,y) → (- x, - y)
(z,y) → (-y, − x)
(r,y) → (- x, y)

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