Select the correct answer from each drop-down menu. A function is represented by the table. x y 3 -2 5 -26 7 -50 The rate of change of the function represented in the table is . For the given x- and y-values, the function is .

State which of the following sets of ordered pairs represent a function.set a: (5,2), (4,3), (3, 4), (2,5)set b: (-1, -6), (0, 2), (1, 2), (3, 6)set c: (2, 1), (4, 2), (2, 3), (8, 4)a. set cb. set bc. set ad. set a and set b.