Stationary points and the first derivative test
Stationary points and the first derivative test
6 marks
TGM Original
Find the stationary points of y=x3 - 3 x2 - 9 x + 2 and classify each using the first derivative sign test. Show the sign change at every point.
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.
Create a free account to practise similar questions.
Answer:Local maximum at \(\left(-1,7\right)\); Local minimum at \(\left(3,-25\right)\).
Need help? Join our JC Math tuition classes.
Learn more