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Question
Bacteria is known to grow exponentially. The function B(h)=82(1.25)^h
represents the number of bacteria, B(h)
, as a function of hours, h. How many bacteria will there be after only 5 and 1/2
hours to the nearest bacteria? What is B(5 and 1/2)
?(1 point)
Responses
257
257
279
279
564
564
280
280
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To find the number of bacteria after 5 and 1/2 hours, we can substitute 5.5 into the function B(h).
B(5 and 1/2) = 82(1.25)^(5.5)
Using a calculator to compute this value, we find that B(5 and 1/2) is approximately 279.
Therefore, the correct answer is 279.