The cost of producing x units of a product is C dollars, where C is given by the function C = 0.25x2 - 80x + 30000. (See the graph provided.) How many units should be produced to generate the lowest cost?

Question

anonymous · Answer

idk if this works for this but if you take the derivative of that and find the local min which is 160

anonymous · Answer

no that's what i tried first.

anonymous · Answer

it is multiple guess, i can put the answers up here if that would help

anonymous · Answer

A)
40 units	
B)
80 units	
Eliminate
C)
160 units	
D)
320 units

anonymous · Answer

and 160 was wrong?

anonymous · Answer

you could plug them into the function lol

anonymous · Answer

haha okay i think 160 is right, the answer key could be wrong. thank you!

anonymous · Answer

yeah I just plugged all of them in 160 is right so you were right all along!