Solve.x + 
= 
A. 
B. 
C. 1
D. 
Answer: D
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Solve the problem.A manufacturer uses raw materials to produce p products each day. Suppose that each delivery of a particular material is $d, whereas the storage of that material is x dollars per unit stored per day. (One unit is the amount required to produce one product). How much should be delivered every x days to minimize the average daily cost in the production cycle between deliveries?
What will be an ideal response?
Solve the problem.A heat engine is a device that converts thermal energy into other forms. The thermal efficiency, e, of a heat engine is defined by 
where Qh is the heat absorbed in one cycle and Qc, the heat released into a reservoir in one cycle, is a constant. Find 
.
A. 
= - 
B. 
= Qh - Qc
C. 
= 
D. 
= 
L'Hopital's rule does not help with the given limit. Find the limit some other way.
A. -1 B. ? C. 0 D. 1
Find an equation of the tangent line at x = a.y = x2 - 1; a = -4
A. y = -4x - 17 B. y = -8x - 33 C. y = -8x - 17 D. y = -8x - 34