1a51eb…: “Up the gray icosahedron”

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Suppose whenever $x$ is very large, $f(x)$ is close to 1. What is true about $f$ ?

The graph of $f$ does not cross the line $y = 1$ . The graph of $f$ does not cross the line $x = 1$ . Whenever $x$ is close to zero, $f(1/x)$ is close to 1. Whenever $x$ is very large, $f(x^2)$ is close to 1.