Which of the following equations represents a wave function moving to the left (-x-direction)? A)y(x, t) = x - 4.0t B)y(x, t) = (-20.0t + x)² C)y(x, t) = x + 4.0t D)y(x, t) = (x - 2.0t)²

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A wave function moving to the left is typically represented by a function of the form y(x, t) = f(x + vt), where v is the wave speed. Option C fits this form with a positive coefficient for t.

Which of the Following Equations Represents a Wave Function Moving