If the function is , then the expression of the function after reflection about the x-axis is .
Answer & Analysis
Analysis
Question Analysis
This question tests the student's understanding of reflecting a quadratic function about the x-axis. The key concept is that reflecting a function about the x-axis results in the function .
Key Concept Explanation
When a function is reflected about the x-axis, each point on the graph becomes . Therefore, the new function is
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