Answer:
Step-by-step explanation:
y - 5 = 8
y = 13
Look at the first element of each point:
{4, 1, 0, 1} (do not write 4 twice, even tho' 4 shows up twice).
This is NOT a function, altho' it still is a relationship. Why? Because 4 shows up as an input twice. In the case of a function, no input shows up more than once.
I think the first one is C
Answer:b
Step-by-step explanation: