The graph of f(t) is given in the figure. Represent f(t) using a combination of Heaviside step functions. Use h(t - a) for the Heaviside function shifted a units horizontally. f(1) = (t-1)[h(t-1)+h(t-2)]+(3-t)[h(t-2)-h(t-3)] help (formulas) 2 Graph of y = f(t)

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