Please help this is my first time using this. Which of the sets of ordered pairs represents a function? (4 points)

A = {(1, −2), (3, −5), (5, 2), (7, 5)}
B = {(4, 2), (4, −2), (9, 3), (9, −3)}
Answers:
Only A
Only B
Both A and B
Neither A nor B

don't know sorry bru

step-by-step explanation:

answer: 4 meters

step-by-step explanation: to you understand 2/3 better you can do 1 divided by 3 = . then multiply that by the 2 which is .66666666666666667 then you would do 6 x .66666666666666667 which is 4.      

hope this .

answer: x=3 and y=4

step-by-step explanation: