Question

In this relation a function ? justify your answer

A.no because two points with the same x-value have different y-values
B.no because two points with the same y-value have different x-values
C yes because the number of x-values is the same as the number of y-values
D yes because every x- an y- value is positive

Answer 1

the answer is b

Explanation:

a fuction can not have more than one of the same number for y