Answer:
Hello
Step-by-step explanation:
The domain is limited with 2 lines parallel: -1 ≤ x ≤ 1
and the disk ? (inside of a circle) of center (0,0) and radius 2

Answer:
A
Step-by-step explanation:
Answer:
I believe the answer is, A.
Explanation:
Ordered pairs are classified as a function when none of the x’s in the ordered pairs match.
Like in b, a pair has 3.
And in c, two pairs have 1 and 3.