According to an article in The New York Times, 19 pigweed has acquired resistance to the
Chapter 11, Problem 28(choose chapter or problem)
According to an article in The New York Times, 19 pigweed has acquired resistance to the weedkiller Roundup. Let N be the number of acres, in millions, where Roundup-resistant pigweed is found. Suppose the relative growth rate, (1/N)dN/ dt, was 15% when N = 5 and 14.5% when N = 10. Assuming the relative growth rate is a linear function of N, write a differential equation to model N as a function of time, and predict how many acres will eventually be afflicted before the spread of Roundup-resistant pigweed halts.
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