NOTE: should be: y(x,t) = A sin (kx-wt)

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Which of the following equations represents a traveling wave?
A) y=A[e^(x^2)](vt+theta)
B) y=Asin(15x-2t)
C) y=A(e^x)cos(wt-theta)
D) y=Asin(x)cos(wt)

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