Is This a Linear Function?explain

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

7.(03.01 lc)which set represents the range of the function shown? {(-1, 5), (2,8), (5, 3), 13, -4)} (5 points){-1, 2, 5, 13){(5, -1), (8, 2), (3,5), (-4, 13)){-4, 3, 5, 8}{-4, -1, 2, 3, 5, 5, 8, 13}

The table represents a linear function. what is the slope of the function? –6 –4 4 6