If the function , 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 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, the new function is given by . This means that each point on the graph of becomes on the graph of the reflected function.
Step-by-step Solution
1. Start with the original function:
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