Question Detail
Question
Find the gradient at \( x=3 \) for \( y = x^3 - 11x + 1 \).
Correct Answer
Option A is the correct answer.
Detailed Explanation
( y' = 3x^2 - 11 ). At ( x=3, y' = 3(9) - 11 = 16 ).
Hint
Differentiate the function and substitute the given value.