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Mathematics, 20.12.2019 06:31 jaydaxox15

When a bactericide is added to a nutrient broth in which bacteria are growing, the bacterium population continues to grow for a while, but then stops growing and begins to decline. the size of the population at time t (hours) is b equals 8 superscript 5 baseline plus 8 superscript 4 baseline t minus 8 cubed t squared .b=85+84t−83t2. find the growth rates at t equals 0 hours commat=0 hours, t equals 4 hours commat=4 hours, and t equals 8 hours.

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