Answer:
C.
Step-by-step explanation:
In a function, one x-value must have just one y-value assigned to it. So in short, C is the only table that does not represent a function because it has two values of Y (-3, and -1) for one value of x (1).
Answer:

Step-by-step explanation:

Answer:
1a. four minus n, four subtracted by n
1b. t over 5, t divided by five
1c. nine plus q, the sum of nine plus q
1d. three times h, h times three