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Draw the graph of f(x) = "sgn(log(0.5) x...

Draw the graph of `f(x) = "sgn(log_(0.5) x)`.

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`log_(0.5) x gt 0` for ` 0 lt x lt 1`
`log_(0.5)x lt 0 ` for ` x gt 1`
`log_(0.5) x= 0` for `x=1`
Hence, graph of `f(x) = "sgn"(log_(0.5) x ) ` is as shown in the following figure.
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