# The displacement from equilibrium of a mass oscillating on the end of a spring suspended from a ceiling is given below, where y is the displacement (in feet) and t is the time in seconds. Use a graphing utility to graph the displacement function on the interval [0, 10]. Find the value of t past which the displacement is less than 3 inches from equilibrium. (Round your answer to two decimal places.) y = 1.79e−0.22t cos(4.9t)

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