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Mathematics 20 Online
OpenStudy (anonymous):

Please HELP!!!!!!!!!!!! Consider the piecewise continuous function \[f(t)=\left\{\begin{matrix} t-3, &t<2 \\ 1, & t\geq 2 \end{matrix}\right.\] Rewrite f(t) in terms of unit step functions. Solve the IVP \[y''-4y'+4y=f(t), y(0)=-1, y'(0)=-2\]

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