Algebra-2

Question Analysis
This question tests the student's ability to evaluate a quadratic function at a specific input value. The function is given, and the student needs to substitute the input value into the function and perform the necessary calculations.

Key Concept Explanation
Evaluating a function using function notation involves substituting the given input value into the function expression and calculating the corresponding output value. For a function , represents the result obtained by substituting into the function.

Step-by-step Solution
1. Start with the given function: .
2. Substitute into the function:

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