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Signals & SystemsSignal Transformations

Which operation represents a time delay of 3 seconds applied to x(t)?

  • Ax(t+3)
  • Bx(t-3)
  • Cx(3t)
  • Dx(t/3)
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Correct Answer: B. x(t-3)
Explanation: Replacing t by t-3 shifts the signal to the right by 3 seconds, representing a delay.
Reference: Standard signals and systems: signal transformations
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