A manufacturer of desk lamps has determined that the cost to

A manufacturer of desk lamps has determined that the cost to produce x x units per month is given by C=0.2x^2+10,000. C 0 2 x 2 10 000 How fast is cost per month changing when production is changing at the rate of 12 units per month and the production level is 80 units?

a. $11,280 per month

b. $384 per month

c. $192 per month

d. $320 per month

Solution