Post Test: Functions The points on the graphs represent relations. Classify these relations according to whether or not they are functions.
3
2.
2
2
1
1
.
1
1
2
3
3 2 1
1
-1
1
2
-1
- 1
2
3
-3
-3
Not a Function
Function

How to do this , and can some one explain

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?

Find two consexutive odd integers such that the sum of their square is 650