An 8-lb weight stretches a spring 16 ft. The spring-mass system is in a medium with a damping constant of 0.75 Ib-sec/ft, and an external force given by f(t) = 1+ e * (in pounds) is being applied. What is the solution function describing the position of the mass at any time of the mass is released from 2 ft below the equilibrium position with an initial velocity of 1 ft/sec downward? y(1) = D (Type an exact answer.)
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