MATH 032 Midterm: math30_2008f_exam3
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Read each problem carefully and follow all of its instructions. For each of the problems below, write a clear and concise solution in your blue book. Solutions must be simplified as much as possible, no full credit for partially completed problems. Blue books with torn or missing pages will not be accepted : (10 pts) solve the differential equation dy dx y x. 2: (10 pts) the population of aphids on a rose plant increases at the rate proportional to the number present. After 1 day the population increased from 100 to 101. How long will it take for population to get to 1000: write down but don"t solve differential equations for following problems. T(t) be the temperature of the object and ta be the ambient temperature of surrounding air (t > ta). Write down the differential equation for dt/dt: (20 pts) the golden toad of costa rica became extinct in 1989; the first documented casualty of global warming.
