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Which property does y(t)=x(1-t) exhibit?

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Which property does y(t)=x(1-t) exhibit?

(a) Time scaling

(b) Time shifting

(c) Reflecting

(d) Time shifting and reflecting

I have been asked this question in an online quiz.

I need to ask this question from Signals, Systems and Signal Processing topic in chapter DSP – Basic Signaling of Digital Signal Processing

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Correct option is (d) Time shifting and reflecting

To explain: First the signal x(t) is shifted by 1 to get x(1+t) and it is reflected to get x(1-t). So, it exhibits both time shifting and reflecting properties.

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