Solve the problem.The demand equation for a certain product is 4p2 + q2 = 1000, where p is the price per unit in dollars and q is the number of units demanded. Find dq/dp.
A. dq/dp = -4p/q
B. dq/dp = -4q/p
C. dq/dp = -p/4q
D. dq/dp = -q/4p
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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A. 20°F B. 20°C
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Mathematics