Q28. A curve is given by the equation y = x3 + ax + b, where a, b ∈ ℝ. The gradient of the curve at the point (2, 7) is 3. What is the value of the ordered pair (a, b)?Mathematics — NUST Mock 3 — Question 28 of 200A. (2, 7)B. (-9, 17)C. (-2, 17)D. (-9, -17)Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →