Which answer explains whether the table of values represents a function? х
y
-5
-4
-2.
2.
0
1
3
-7
-9
-6
Yes, the values represent a function because each x-value is paired with only one y-value
Yes, the values represent a function because each y-value is paired with only one x-value.
No, the values do not represent a function because the x-values are not in ascending order
No, the values do not represent a function because there is no single rule that relates each pair of values.

Which expression is equivalent to 2x^2+7x+4?

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.