(Section 1.4: Transformations) 1.4.6 Example 5 (Reflections and Symmetry)Let fx()=x2. The graph offis below. The graph is its own reflection about the y-axis, becausefis an evenfunction. The graphs of y=and y=f±xare the same: f±x=±x2=x2. Thus, the graph is symmetric about the y-axis. § Example 6 (Reflections and Symmetry)
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