5 Bacterial growth The number of bacteria in a certain culture increased from 600 to 1800 between 7:00 A.M. and 9:00 A.M. Assuming growth is exponential, the num- ber f(t) of bacteriat hours after 7:00 A.M. is given by f(1) = 600(3)2. %3D (a) Estimate the number of bacteria in the culture at 8:00 A.M., 10:00 A.M., and 11:00 A.M. (b) Sketch the graph of f for 0 sts4.

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