If B(X) represents the total benefit of activity X, then which of the following expressions best represents the marginal benefit of activity X?

A. B(X) - B(X - ?X)

B. (B(X) - B(X - ?X))/?X

C. (B(X) - B(X - ?X))/X

D. B(X - ?X))/?X


B. (B(X) - B(X - ?X))/?X

Economics

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