The average cost of producingqunits of a product is given by

c

= 880

q

+3600 ·e(3q+4 )/830

q

. Find the marginal cost ifq=100.

Answer:The marginal cost is _______?_____ dollars/(one unit of the product).

I know you have to get the derivative of the average cost function to find the marginal function, and then do you input 100 for q? i cant seem to get this answer right.......