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Suppose f:R→Rf : \mathbf { R } \rightarrow \mathbf { R }

Question 193

Essay

Suppose f:R→Rf : \mathbf { R } \rightarrow \mathbf { R } where f(x)=⌊x/2⌋f ( x ) = \lfloor x / 2 \rfloor .
(a) Draw the graph of ff .
(b) Is ff 1-1?
(c) Is ff onto R\mathbf { R } ?

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