Which of the following relations is a function? a. { (2, 6), (3, 9), (4, 2), (3, 6) } b. { (2, 8), (3, 6), (2, 4), (0, 2) } c. { (3, -2), (4, 7), (-2, 5), (-4, 5) } d. { (4, 7), (-2, 5), (1, 3), (-2, 1) }

The answer is C there can only be one y value for every x value so the x value 4 can only have a y value of 7

All about the same size in the city the game was

Answer for 2: his profit would be $2.88 explanation: you have to first multiply 72 and 0.12 together to get $8.64 once you do that you know how much money the shopkeeper made from selling the candy bars individually. so you have to do 8.64-5.76=2.88 hope that ; )answer for 3: yeah i’m sorry i have no idea what number 3 is. i’m sorry i couldn’t with that.