Graph these time-limited signals and find and graph the magnitude of their CTFTs and confirm that they are not bandlimited.
(a) x (t) = 5 rect(t/100)
(b) x (t) = 10 tri(5t)
(c) x (t) = rect(t) [1 + cos (2?t) ]
(d) x (t) = rect(t) [1 + cos (2?t) ] cos (16?t)
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