I used Desmos to graph it but here are the coordinates used to graph it in the pictures below.
I believe the answer to your question is 23
Answer:
can you explain more pls
Step-by-step explanation:
Answer:
The answert is "$0.007 / bottle".
Step-by-step explanation:
Please find the complete question in the attachment file.

The average income:

The change rate on the average revenue:

when 81 bottles were produced
, then the rate of change in average revenue
The average income is decreasing at rate = $0.007 / bottle