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Based on data from 1980 to 2012, the monthly salary S( t ) in dollars for a dock worker has the following cubic model. S(t)

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Based on data from 1980 to 2012, the monthly salary S( t ) in dollars for a dock worker has the following cubic model. S(t) = 0.185t - 7.5t + 101.8t + 993 where t is the number of years after 1980 Use the tangent line approximation to S( t ) at t = 32 to predict the monthly salary for a dock worker in 2013

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