Which function is graphed for the domain {-2, -1, 0, 1, 2}

plzz help

On a piece of paper graph y < 3x

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3