Which relation is a function? ОА
ху
4 -2
51-3
6 -2
7-3
ОВ.
ху
3 10
2] 20
330
4) 40
ОС.
х У
-5
2
-5 3
-10 14
-10 5
OD.
ху
10 | 15
20 | 25
8 30
20 | 35

Will give the box plots below show the math scores of students in two different classes: class a 55 72 75 89 95 class b 55 70 75 94 100 based on the box plots, which statement is correct? a: the median score of class a is greater than the median score of class b. b: the lower quartile of class a is greater than the lower quartile of class b. c: the upper quartile of class a is greater than the upper quartile of class b. d: the maximum score of class a is greater than the maximum score of class b.