I believe this should help with this question
Go to desmos and input this equation. It will show you the graph
Answer:

Step-by-step explanation:
a) The average value of a function is given by the following integral:



b) The determination of the minimum average daily cost per pound of pollutant is done by the First Derivative Test and the Second Derivative Test, which is:



(absolute minimum).
The level of reduction corresponding to the lowest average daily cost per pound of pollutant is:

Unit Rate is showing 1 pairs and what you can do to get the answer is 12/5.79
Answer:
a
Step-by-step explanation:
idk how to explain this