A Bacterial Culture Grows According to the Formula $P = P _ { \mathrm { o } } a ^ { t }$

question 34

Multiple Choice

A bacterial culture grows according to the formula $P = P _ { \mathrm { o } } a ^ { t }$ . If it takes 4 days for the culture to triple in size, how long will it take to double in size?

• A) \(\quad - 0.9\) days
• B) \(\quad 2.1\) days
• C) \(\quad 0.4\) days
• D) \(\quad 5.0\) days
• E) none of these

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