JAMB Mathematics 2003 Question 36

Question 36

Differentiation

Find the slope of the curve y = 2x2 + 5x − 3 at (1,4).

  1. A.4
  2. B.6
  3. C.7
  4. D.9
Show the answer and explanation

Answer: D (9)

Explanation

dy/dx = 4x + 5, which is 9 at x = 1.