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A company has a cost function C(Q) = 2 Q^2 + 10Q + 50. What is the marginal cost of producing the 5the one of output?

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A company has a cost function C(Q) = 2 Q^2 + 10Q + 50. What is the marginal cost of producing the 5the one of output? Answer: $30

C(Q)=2Q2+10Q+50 We are asked for the marginal cost (MC) when Q = 5 Marginal Cost = derivative of total cost with respect to quantity: MC=dC/dQ =4Q+10 MC=4(5)+10=20+10=30

Question context

This question is part of 📚 General Knowledge within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.