The most likely answer is b
Answer:
The median is 2 
Step-by-step explanation:
All you had to do was line them up from lowest to highest.
The relation is <em>not a function</em> if any x-value is repeated.
Assuming you have
(x, y) = (3, 10), (__, 20)
if x = 3, the relation is not a function.
Answer:
yes
Step-by-step explanation: