Suppose that the total cost (in dollars) for a product is given by 
, where x is the number of units produced. Find the marginal cost function.
?
A. 
B. 
C. 
D. 
E. 
Answer: B
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Solve the problem.What domain D in space maximizes the value of the integral 
D
A. D = ?3
B. D = the boundary and interior of the ellipsoid 
.
C. D = the boundary of the ellipsoid 
.
D. No such minimum domain exists.
Find the missing expression.
- 
= 
A. -5x - 4 B. -5x + 4 C. 5x - 6 D. 5x + 6
Solve the problem.The Hoffman Trucking Company has an order for three products, A, B, and C, for delivery. The table below gives the volume in cubic feet, the weight in pounds, and the value for insurance in dollars for a unit of each of the products. If one of the company's trucks can carry 38,000 cubic feet and 57,100 pounds, and is insured to carry $29,750, how many units of product A can be carried on the truck? Assume that z represents the number of units of product C.
A. 140 - 3.5z B. 135 - 4z C. 4.5z - 18 D. There is no solution.
The slope of any horizontal line is
(a) undefined. (b) positive. (c) negative. (d) -1. (e) zero.