10/11 Cool Down The graph shows the bacteria population on a petri dish as function of the days d since an antibiotic is introduced. number of bacteria 500,000 (0, 1000000) (1,900000) (2.810000) 2 What is the approximate value of f(4.5)? time in days 16-5X² at a = 4; f (4.1) Approximately what is d when f(d) = 400,000? Explain how you could see f(15) on the graph, if this was your calculator?

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