The unemployment rate of a certain country shortly after the Great Recession was approximately f(t) = 5t + 297 t2 + 28 (0 ≤ t ≤ 4) percent in year t, where t = 0 corresponds to the beginning of 2010. How fast was the unemployment rate of the country changing at the beginning of 2013? (Round your answer to two decimal places.) ______ %/year
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Step 1: Calculate the derivative of the function f(t) = 5t + 297t^2 + 28. Show more…
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