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Biology, 27.11.2019 04:31 cutecupcake678
Wheat production w in a given year depends on the average temperature t and the annual rainfall r. scientists estimate that the average temperature is rising at a rate of 0.15°c/year and rainfall is decreasing at a rate of 0.1 cm/year. they also estimate that, at current production levels, δw/δt = -2 and δw/δr = 8. estimate the current rate of change of wheat production, dw/dt.
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