Write each function in terms of unit step functions. (a) f(t) = 2, 0 <= t < 3, -2, t >= 3. (b) g(t) = 0, 0 <= t < 3pi/2, sin(t), t >= 3pi/2. (c) h(t) = 1, 0 <= t < 4, 0 4 <= t < 5, 1, t >= 5.
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Write each function in terms of unit step functions. (a) f(t) = 2, 0 <= t < 3, -2, t >= 3. (b) g(t) = 0, 0 <= t < 3pi/2, sin(t), t >= 3pi/2. (c) h(t) = 1, 0 <= t < 4, 0 4 <= t < 5, 1, t >= 5.
