Evaluate the integral.
dt
A. 6 cos 
+ C
B. -cos 
+ C
C. 
cos 
+ C
D. - 
cos 
+ C
Answer: C
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Provide an appropriate response.A manufacturer produces products A and B for which the average costs of production are constant at 3 and 5 (dollars per unit), respectively. The quantities qA, qB of A and B that can be sold each week are given by the joint-demand functions qA = 10 - pA + pB' and qB = 12 + pA - 3pB' where pA and pB are the prices (in dollars per unit) of A and B, respectively. Determine the prices of A and B at which the manufacturer can maximize profit.
What will be an ideal response?
Solve the problem.Suppose a life insurance policy costs $20 for the first unit of coverage and then $5 for each additional unit of coverage. Let C(x) be the cost for insurance of x units of coverage. What will 10 units of coverage cost?
A. $70 B. $30 C. $65 D. $50
Multiply.
?
?
A. 90,850 B. 8,690 C. 9,185 D. 418 E. 9,085
An open box is to be made from a square piece of cardboard, 24 inches on a side, by cutting equal squares with sides of length x from the corners and turning up the sides (see figure below). If the volume of the box is represented by 
, determine the domain of 
class="wirisformula" align="middle" />.
A. 
B. 
C. 
D. 
E. 