Solve the problem.Suppose the demand for a certain item is given by 
, where p represents the price of the item. Find D'(7).
A. -35
B. 10
C. -32
D. 7
Answer: A
Mathematics
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Solve the problem.Find the center of mass of a tetrahedron of constant density bounded by the coordinate planes and the plane 
.
A. 
= 2, 
= 
, 
= 
B. 
= 1, 
= 
, 
= 
C. 
= 
, 
= 
, 
= 2
D. 
= 
, 
= 
, 
= 4
Mathematics
Find the total area of the region between the curve and the x-axis.y = x2(x - 2)2; 0 ? x ? 2
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Which of the following [A), B), C), or D)] is not a random experiment?
A. predicting the winner of next year's world series B. tossing a coin C. drawing a card from a deck of cards D. rolling a pair of dice E. all of these are random experiments.
Mathematics
Divide.623 ÷ 18
A. 33 R 9 B. 34 R 11 C. 32 R 7 D. 34
Mathematics