Solve the problem.The demand function for a certain book is given by the function 
Find the marginal demand 
A. D'(p) = -0.204pe-0.004p-1
B. D'(p) = -0.204e-0.004p
C. D'(p) = 0.204e-0.004p
D. D'(p) = -0.004e-0.004p
Answer: B
Mathematics
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