Answer:
A
Step-by-step explanation:
X values cannot repeat in a function, 3 is used as an X value twice in A, and therefore cannot be a function.
If this is graphed, you can use the vertical line test, if a vertical line on any point goes through other points, it is not a function.
In this case, just check if X repeats.
Answer: 14/5
Step-by-step explanation:
Answer:
2,020
Step-by-step explanation:
671 X 3 = 2,013
2,013 + 7 = 2,020