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rate of change
The installation of a new electrical component into an existing product on an assembly line has an associated cost(per component), C dollars that is closely approximated by the function
Re: rate of change
a) and c) are now easy to figure. Can you do it?
In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.