Answer: (3,4)
Each input can only have one output for a function
The other pairs give a different output for the input so that would make it a relation not a function.
Answer:

Step-by-step explanation:
Given

Required
Values of x that make it true
First: solve the inequality.

Collect Like Terms


Multiply both sides by -1

--- The inequality changes when multiplied by a negative value
So, the solution implies that the value of x is greater than 5 (i.e. 6, 7, 8..)
Hence, the set is:

Answer:
A. & E. is the answer for Apex
because they have 3 terms, the others are 1 or 2 term(s)..