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tmua.me Medium Set B Paper 1 · Q7

Paper 1CalculusAlgebra

A cubic polynomial ff satisfies

f′(0)=f′(4)=9andf(4)−f(0)=4.f'(0)=f'(4)=9 \qquad\text{and}\qquad f(4)-f(0)=4.

What is the positive difference between the xx-coordinates of the two stationary points of y=f(x)y=f(x)?

A11
B22
C33
D44
E66

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