Sales (in thousands of units) of a new product are approximated by the function S(t) = 200 + 45log 3 (2t + 1), where t is the number of years after the product is introduced. Complete parts (a) through (c) below. (a) What were the sales, to the nearest unit, after 4 yr? The approximated sales after 4 years were thousand units. (Simplify your answer.) ...

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