Cryptokyo TMUA Problem Set · Question 17

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Cryptokyo TMUA Problem Set · Q17

TrigonometryFunctions & graphsNumber & counting

We define the floor function $\lfloor x\rfloor$ to be equal to the largest integer less than or equal to $x$ , so that $\lfloor2\rfloor=2$ and $\lfloor\frac{10}3\rfloor=3$ .

Which of the following is a graph of

f(x)=\left\lfloor x+\frac12\right\rfloor\sin\left(\pi x+\frac\pi2\right)?

AGraph 1

BGraph 2

CGraph 3

DGraph 4

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