Answer:
A) Vertical.
Step-by-step explanation:
It must pass the vertical line test. That is it must not have any vertical line passing through more than one point on the curve. If it does then it is not a function.
Thus , for example, a circle graph would not be a function.
Answer:
I belive it is C
Step-by-step explanation:
Answer:
Rounding it to two decimal places, we get distance, 
Step-by-step explanation:
Given:
The two points are 
The distance between the two points can be obtained using the distance formula which is given as:

Here, for the points, 

Therefore, the distance between the points is:

Rounding it to two decimal places, we get 
Hi there!
To estimate, we can round:
591.3 is approximately 600
29 is approximately 30
Now, we divide:
600 / 30 = 20
Hope this helps!