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A population of bacteria is treated with an antibiotic. It is estimated that 5,000 live bacteria existed in the sample before treatment. After each day of treatment, 40% of the sample remains alive. Which function models the number of live bacteria after x days of treatment? (x) = 5000(0.4)x f(x) = 5000(0.6)x f(x) = 5000(1.4)x f(x) = 5000(1.6)x
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F(x)=5000(0.4)x
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