Solve the problem.The demand for tickets at a concert hall can be approximated by 
where p is the price (in dollars) and q is the quantity demanded. Use implicit differentiation to find and interpret 
when 
A. 
= -4 means that if the price is increased by $1, the quantity demanded decreases by approximately 4 tickets.
B. 
= - 
means that if the price is increased by $1, the quantity demanded decreases by approximately 
tickets.
C. 
= -4 means that if the price is decreased by $4, the quantity demanded increases by 1 ticket.
D. 
= - 
means that if the price is decreased by $0.25, the quantity demanded increases by 1 ticket.
Answer: A
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Find the volume by using polar coordinates.The region under the surface 
, and bounded by the planes 
and 
and the cylinder 
A. 
B. 
C. 
D. 
Solve the problem.A small company borrows $30,000 at 4% compounded monthly. The loan is due in 6 years. How much interest will the company pay?
A. $38,122.26 B. $7995.60 C. $8092.04 D. $8122.26
Solve using substitution:
Use l'H
pital's rule to find the limit.
A. 0
B. 
C. 1
D. 