Algebra-2

Question Analysis
This question tests the student's understanding of the role of the coefficient in the vertex form of a quadratic function. The sign of determines the direction in which the parabola opens.

Key Concept Explanation
In the vertex form , the sign of determines the direction of the parabola. If , the parabola opens upward; if , the parabola opens downward.

Step-by-step Solution
1. Identify the coefficient in the given function

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