What does the second derivative test tell us?
✓ Correct Answer: Option B
If f''(c) > 0, the critical point is a local minimum. If f''(c) < 0, it's a local maximum. If f''(c) = 0, the test is inconclusive.
If f''(c) > 0, the critical point is a local minimum. If f''(c) < 0, it's a local maximum. If f''(c) = 0, the test is inconclusive.