Posted by Jane on .
There was a typo in last question
A company estimates that the cost ($) of producing x units of a certain product is given by:
C= 800 + .04x + .002x^2
Find the production level that minimizes the average cost per unit.

Calculus 
Reiny,
you typed it exactly the same way, with the error!
anyway...
look at last reply to your previous post on this