dN = .03N dt
you have N=100 and dt=0.1
plug and chug
N(4.1) ≈ 100 + dN
Suppose N(t) denotes a population size at time t where the dN/dt=0.03 N(t).
If the population size at time t=4 is equal to 100, use a linear approximation to estimate the size of the population at time t=4.1.
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