A scientist collects a bacteria sample that begins with 7 million microbes. The sample doubles in the number of microbes every 30 minutes. The sample can be represented by the exponential equation y= 7·2t/30. Which of the following represents the equation solved for t? A. 30 log (14)=t B. 30 log2 (y/7)=t C.  7 log (y-30/2)=t D. 30 log14 (y)=t

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Q: 9

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