Algebra-2

Question Analysis
This question challenges students to find the equation of an absolute value function using a given vertex and a point on the graph.

Key Concept Explanation
To find the equation, one must first use the vertex to set up the general form and then substitute the given point to solve for .

Step-by-step Solution
1. Identify the vertex: . The general form is .
2. Substitute the point into the equation: .
3. Simplify:

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