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Mathematics, 26.03.2021 04:30 josh5527

The monthly unit sales U (in thousands) of lawn mowers are approximated by U = 79.50 βˆ’ 41.75 cos t/6

where t is the time (in months), with t = 1 corresponding to January. Determine the months in which unit sales exceed 100,000. (Select all that apply.)

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