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Reciprocal functions

If h(x) is a function, then r(x)=1 / h(x) is called a reciprocal function.
Describe any patterns you find when comparing a function to its reciprocal function.
For instance, you may want to start with h(x) = x and r(x)=1 / x, then try h(x)=x2and r(x)=1 / x2, and so on.

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