A function f is a rule that assigns to each element x in a set A exactly ---Select--- element(s) called f(x) in a set B. Which of the following tables defines y as a function of x? (i)

Question

A function f is a rule that assigns to each element x in a set A exactly  ---Select--- zero one two five x element(s) called f(x)

 in a set B. Which of the following tables defines y as a function of x?

(i)		(ii)	xy
1	2
2	7
3	8
4	3
xy
1	2
1	7
2	8
3	3

(i)(ii)    

Answer 1