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Unformatted text preview: 1 2.7.46. a) Rate of bacterias/hour after 5 houts b) f (10) > f (5) (basically, the more bacteria there are, the more can be produced). But if there's a limited supply of food, we get that f (10) < f (5), i.e. bacterias are dying out because of the limited supply 3. Section 2.8: The derivative as a function 2.8.3. a) II b) IV c) I d) III 2.8.21.f (t) = 5 18t 2.8.38. 1 (not continuous there); 2 (graph has a kink) 2.8.43. a) Acceleration b) Velocity c) Position 2.8.52.Not di erentiable at the integers, because not continuous there; f (x) = 0 for x not an integer, unde ned otherwise. Graph looks like the 0function, except it has holes at the integers....
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 Spring '08
 WILKENING
 Derivative

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