Refer to the graph below. The function shown is . What is the domain of this function? ________ (Express your answer in interval notation)
Answer & Analysis
Analysis
Question Analysis
This question tests the student's understanding of the domain of a quadratic function. The domain of a quadratic function is all real numbers, as there are no restrictions on the values that can take.
Key Concept Explanation
The domain of a function is the set of all possible input values (independent variable, usually ) for which the function is defined and meaningful.
Step-by-step Solution
1. Identify the function:
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