Algebra-2

Question Analysis
This problem involves identifying the horizontal shift of a square root function from its graph. The main focus is on using the vertex (starting point) of the graphed function to determine the missing value in the function’s equation.

Key Concept Explanation
Vertex of Square Root Functions: The parent square root function has a vertex (starting point) at . For a transformed square root function , the vertex shifts horizontally to .

Step-by-step Solution
1. Identify the vertex of the graphed function: The graph starts at , so the vertex is .
2. Recall the form of a horizontally shifted square root function:

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