Question

Is the following relation a function?

Relation:
Х Y
6 8
5 1
6 6
2 4

The domain:
{2,5,6}

The range:
{1,4,6,8}

Answer 1

Answer: No

Explanation:

The domain consists of the numbers 6, 5, 6, 2

6 is repeated twice

The criteria for a function is that there are no repeating numbers in the domain

This does not follow the criteria, therefore this is not a function

Answer-No