3. The Derivation - Calculus

Q1. What is the slope of the tangent line to the curve \(y = x^2\) at the point \((2,4)\)?

💡 Difficulty: easy | ✅ Correct: A

Q2. For \(f(x) = \frac{1}{x}\), find \(m_{\tan}\) at \(x_0 = 2\).

💡 Difficulty: medium | ✅ Correct: B

Q3. The tangent line to \(y = f(x)\) at \(P(x_0,f(x_0))\) is vertical when:

💡 Difficulty: hard | ✅ Correct: D