Answer:
Hey there!
Choice A represents a function, because a function only has one y value for every x value.
Hope this helps :)
A
Step-by-step explanation:
In a function, the x value can only go to one y value
B has x=5 going to y = 13 and y = 17
C had x = -3 with y values of 1 and -1
D has x = -4 going to y = 52 and 16
A each input has only one output value
