Question: In a certain memory experiment, subject A is able to memorize words at a rate given by StartFraction dm Over dt EndFraction equals negative 0.003

In a certain memory experiment, subject A is able to memorize words at a rate given by StartFraction dm Over dt EndFraction equals negative 0.003 t squared plus 0.4 tdmdt=0.003t2+0.4t(in words per minute). In the same memory experiment, subject B is able to memorize at the rate given by StartFraction dM Over dt EndFraction equals negative 0.009 t squared plus 0.4 tdMdt=0.009t2+0.4t(in words per minute). About howmany more words does subject A memorize from tequals=0to tequals=19(that is, during the first 19minutes)?

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