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At \( t=0 \), a transverse wave pulse in a wire is described by
\( \mathrm{P} \) the function \( y=\frac{6}{x^{2}-3} \) where \( x \) and \( y \) are in metre. The function \( y(x, t) \) that describes the wave equation if it is travelling in the
W position \( x \) direction with a speed of \( 4.5 \mathrm{~ms}^{-1} \) is :
(A) \( y=\frac{6}{(x+4.5 t)^{2}-3} \)
(B) \( y=\frac{6}{(x-4.5 t)^{2}+3} \)
(C) \( y=\frac{6}{(x+4.5 t)^{2}+3} \)
(D) \( y=\frac{6}{(x-4.5 t)^{2}-3} \)
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