Given:
3.
8.
To compare and contrast the given above, we must note the following:
Domain- x coordinates
Range- y coordinates
Function- Our answer would be yes or no. We must also note that a function is a relation in which every input has exactly one output.
For Question 3:
Based on the above information, the answers would be:
Domain:
Range:
Function: Question 3 is not a function because the -5 value which is an x value appeared twice.
Question 8:
Domain:
Range:
Function: Question 8 is a function because every input has exactly one output.