Algebra-2

Question Analysis
This question assesses the student's understanding of the First Derivative Test, specifically how the sign change of the first derivative around a critical point determines whether it is a relative minimum.

Key Concept Explanation
The First Derivative Test states that if the first derivative changes from negative to positive at a critical point, then the function has a relative minimum at that point.

Step-by-step Solution
1. Recall the First Derivative Test.