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).
A13x2+390x here is the answer
W=20.3
solve what's in the parenthesis, move the terms, calculate, then divide both sides.
