Question 5(Multiple Choice Worth 1 points) (02.01 LC) Which of the following tables represents a function? x 2 2 3 3
y 5 -5 6 -6

x 4 -4 4 -4
y 1 2 3 4

x 6 6 7 7
y 2 3 4 5

x 2 -2 4 -4
у 8 8 12 12

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Anyone know? will mark brainliest if correct!