Find the appropriate linear cost or revenue function.Marginal cost, $20;100 items cost $3000 to produce. Find the linear cost function.
A. C(x) = 20x + 3000
B. C(x) = 10x + 1000
C. C(x) = 10x + 3000
D. C(x) = 20x + 1000
Answer: D
Mathematics
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A. 
B. 
C. 
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