Math  /  Word Problems

QuestionIdentify which functions are symmetric about the yy-axis: A. y=x3y=x^{3}, B. y=xy=\sqrt{x}, C. y=1xy=\frac{1}{x}, D. y=xy=|x|.

Studdy Solution
We can see that f(x)=f(x)f(-x) = f(x) for the function y=xy=|x|, so this function is symmetric about the y-axis.
Therefore, the only function that is symmetric about the y-axis is y=xy=|x|.

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