Answer:
4x^2+3x^3
Step-by-step explanation:
hope this helps you
Answer:

Step-by-step explanation:
Given
i.e. 1 per 20cc of water
-- sample size
Required
The variance
This is calculated using:

So, we have:





The minimum point is (1/2, 0) because absolute value can not be negative
Looking at the graph, you can see that as more weeks pass, the amount of tickets sold are slowly decreasing.
Therefore, A) As the number of weeks increases, the number of tickets sold decreases would be the correct answer.