Answer:
5
Step-by-step explanation:
Use the distance formula: 

This is indeed a function because every domain is only used once, a domain can indeed share a range but can’t be the same for which it’s a function due to the fact that no domain is repeated with a different outcome
Answer:

Step-by-step explanation:
we know that
If point P partitions directed line segment AB in a 1:1 ratio
then
point P is the midpoint AB
The formula to calculate the midpoint between two points is equal to

substitute the given points (A and B)


