📖 From Calculus • 5. The derivative in graphing and applications • 37 questions available
Practice MCQs for Margin Analysis. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.
🔄 Last updated: 2026-07-15
Q1. If \(f'(x)=2x-5\), on which interval is \(f\) increasing?
💡 Difficulty: easy | ✅ Correct: A
Q2. Revenue: \(R(q)=80q-0.5q^{2}\); Cost: \(C(q)=20q+1000\). Find the quantity that maximizes profit.
💡 Difficulty: medium | ✅ Correct: C
Q3. Find the value of \(x\) that minimizes \(C(x)=50e^{0.05x}+0.1x^{2}-300\).
💡 Difficulty: hard | ✅ Correct: B
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