Algebra-2

Question Analysis
This question requires students to determine the function expression of an absolute value function given its vertex and another point on the graph. The vertex form of the function is used, and the unknown parameter is found by substituting the given point.

Key Concept Explanation
The vertex form of an absolute value function is .
The vertex is given, and the value of can be determined by substituting the coordinates of another point on the graph.

Step-by-step Solution
1. Write the vertex form of the function: .
2. Substitute the point into the equation:

Click "Show Answer" to reveal the answer and analysis