easy · GMAT Quant
A financial algorithm evaluates a stepping penalty S(k) = lfloor (k+1)/(2) rfloor + lfloor (k)/(2) rfloor for an integer transaction volume k ≥ 1.
Which of the following expressions is equivalent to S(k) for all positive integers k?
- k
- 2 lfloor (k)/(2) rfloor
- k + 1
- 2 lfloor (k+1)/(2) rfloor
- lfloor (2k+1)/(4) rfloor
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