Answer:
Domain: -2,0,1,3,4
Range: 2,3
Yes its a function
Step-by-step explanation:

I only know this because I remember the common fractions, and 1/3 is .3333 repeating.
Are you asking for a name?
M is a subset of u.
Is there something further?
Answer:
isdkdwefikewsgfjyntjnt
Step-by-step explanation:
Answer:
a^2+b^2=c^2
Step-by-step explanation: