4. If y varies directly as x and y = 72 when x = 6 find y when x = 4.

Which of the following graphs could represent a quartic function?

Which point has an coordinates of (2,0) ? a

The domain of the following relation: r: {(3, 5), (8, 6), (2, 1), (8, 6)} is (1 point) no domain exists {1, 5, 6} {3, 8, 2, 8} {2, 3, 8}