Answer:
It is not a function.
Step-by-step explanation:
{(3,5),(-2,1),(<u>4</u>,3),(-1,<u>4</u>)}
A function is a special type of relation. In a function, no two ordered pairs have the same first component.
This relation has two 4s.
what is the question?
....
+7-1
analyze problem
no need for distance formula
same x, only need to subtract y
3a-0=3a