Lagrange Interpolating Polynomial Problem Suppose that the Lagrange polynomial passes through the data points (2, 9), (4, 11) and (5, 13) is given by f(x) = L₁(x)yı + L₂(x) y2 + L3(x) y3. What is the value of L₁ (x) at x = 3? a. 3 b. -3 c. 1/3 d. -1/3

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