Answer:
Explanation:
Domain is the input
Range is the output
Function is the equation that is set up by the given information
1)
Domain 2 to 8
Range 1 to 6
Yes, this is a function
2)
Domain 2 to 3
Range 7 to 13
No, this is not a function , b/c functions need a 1 to 1 correspondence
3)
Domain 0 to 4
Range -1 to 5
No, this is not a function , b/c functions need a 1 to 1 correspondence