Q59Section I (Objective (Q1–Q80))59 of 80
Numerical Analysis — slope from a Lagrange-fitted cubic
It is given that a curve passes through the points (0, 18), (1, 10), (3, -18) and (6, 90). What is the slope of the curve at (using Lagrange's formula)?
Pick an option to check your answer. In a mock test a wrong answer here costs 0.83 mark.