
Originally Posted by
XxXScorpionXxX
Question as is
Suppose the marginal cost is C'(x) = e-0.9x, where x is measured in units of 400 items and the cost is measured in units of 1,000 . Find the cost corresponding to the production interval [1,200, 1,600]. Round to the nearest dollar.
Okay so the boundary is from 1.2 to 1.6 since its measured in 1000's of units.
e-0.9x / -0.9
I can factor out 1/-0.9 which simples to -1.1 and then I... plug in 1.2 into x and do the same for 1.6 and add the area of the two and multiply by 400?