Given the function , find the critical points by setting the first derivative equal to zero. Then, use the second derivative test to determine the nature of these points. The relative minimum occurs at .
Answer & Analysis
Analysis
Question Analysis
This question evaluates the student's ability to find and classify the relative extrema of a polynomial function using the second derivative test.
Key Concept Explanation
The second derivative test is used to determine whether a critical point is a relative maximum, minimum, or neither by evaluating the second derivative at the critical point.
Step-by-step Solution
1. Find the first derivative: .
2. Set the first derivative equal to zero to find critical points: .
Factor: . So, .
3. Find the second derivative: .
4. Evaluate the second derivative at
Want More Practice Questions?
Access thousands of practice questions with detailed explanations on Scholardog.