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OpenStudy (anonymous):
A scientist counts 35 bacteria present in a culture and finds that the number of bacteria triples each hour. The function y = 35 • 3x models the number of bacteria after x hours. Graph the function. (You do not need to submit the graph). Use the graph to estimate when there will be about 550 bacteria in the culture.
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OpenStudy (anonymous):
y = 35 • 3^x ?
OpenStudy (anonymous):
550 = 35 • 3^x Approx. 15.7143 = 3^x
OpenStudy (anonymous):
2.5 hours approx ?????
OpenStudy (anonymous):
can anyone help on this?
OpenStudy (nottim):
is that dot a +?
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OpenStudy (nottim):
in y = 35 • 3x
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