Question Detail
Question
Stationary points of \( y = x^3 + 12x^2 + 45x + 50 \) are?
Correct Answer
Option A is the correct answer.
Detailed Explanation
( y' = 3x^2 + 24x + 45 = 3(x+5)(x+3) ). Coordinates at -5 and -3 are ( -5, 0) and (-3, 4).
Hint
Find the zeros of the derivative quadratic expression.