Algebra-2

Question Analysis
This question tests the student's ability to identify the coefficient in the vertex form of a quadratic function and understand its role in determining the direction and vertical stretch or compression.

Key Concept Explanation
In the vertex form , the coefficient determines the direction (upward if , downward if ) and the vertical stretch or compression of the parabola.

Step-by-step Solution
1. Identify the given quadratic function:

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