Polygon JKLM is drawn with vertices J(−4, −3), K(−4, −6), L(−1, −6), M(−1, −3). Determine the image coordinates of K′ if the pre-image is reflected across y = −4.
K′(−4, −4)
K′(4, −6)
K′(−4, 6)
K′(−4, −2)