A relation is a function if each element of the domain is paired with exactly one element of the range. ... If given a table, or a set of ordered pairs, you can look to see if any value of the domain has more than one corresponding value in the range.
tbh google
Center: 0,0
vertex: 5,0
vertex2 (-5,0)
Answer:
Domain is 0 to 50.
Step-by-step explanation:

Answer:
a? sorry if it wrong
Step-by-step explanation: