If f(x)=4[x]-3, where [x] is greatest integer function of x, then… - Vidyadip

Question

If $f(x)=4[x]-3$, where $[x]$ is greatest integer function of $x$, then find$f(0.5)$

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Answer

$ f(0.5)=4[0.5]-3$
$=4(0)-3 \ldots \ldots \ldots .[\because 0 \leq 0.5<1,[0.5]=0]$
$=-3$

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