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:

Hmmm
that's a toughy not sure maybe the last one....
Answer:
<h2>D. {-4, 1, 0, 2, 7}</h2>
Step-, by-step explanation:
For any order pairs (x, y), x is an element of a Domain and y is an element of a Range.
For {(7, -3); (-4, 2); (-1, 0); (2, -4); (0, -6)}
the set {7; -4, -1, 2, 0} is a Domain.
Answer:
170 books
Step-by-step explanation:
Each book equals 10 books. So 17x10 equals your answer! (170)
Good luck to you!
In order to solve a proportion you need to cross multiply, so you would do:
4x20 and 9xX and you would get...
9x=80
then divide by nine to get
x=8.8888888889
which is technically 8.9