Mathematics

Sheldon Crosby

26 March, 19:24

Oliver is doing a study on age and shoe size. He has collected the data shown above.

Do the ordered pairs (x, y) he has collected form a function?

A) Cannot be determined

B) Yes, because for every x there is only one y.

C) Yes, because for every y there is only one x.

D) No, because for some x's there are more than one y's.

Eliminate

Age and Shoe Size

x (age) y (size)

8 7

9 8

10 9

8 9

14 9

15 11

10 10

33 9

27 9.5

45 10.5