Option E will be the answer because the expression is independent of time thus the shape of the plus will not change with respect to the time.
7. [Opt] Which of the following six functions represent a travelling wave pulse whose shape does...
[1pt] Which of the following six functions represent a travelling wave pulse whose shape does not change with time? E.g., if the first one can represent such a pulse, but the rest cannot, answer A. 2e-5(x-300t)^2 (2t-5x)^3 9x^2-42xt+49t^2 x2-49t^2 sqrt[((3t-5x)^2)+5] (5+2x-3t)/(5+2x+3t)