Solve the Problem. -A Culture of Bacteria Is Growing in a Medium That

question 18

Multiple Choice

Solve the problem.
-A culture of bacteria is growing in a medium that can support a maximum of 1,500 bacteria. The rate of change of the number of bacteria is proportional to the product of the number present and the difference between 1,500 and the
Number present. The culture initially contains 250 bacteria. After 1 hour, there are 350 bacteria.
a. How many bacteria are present after 3 hours? Round to the nearest whole number as needed.
b. When will the culture contain 1,250 bacteria? Round to the nearest tenth as needed.

• A) a.) 620 bacteria b.) 7.7 hours
• B) a.) 1,125 bacteria b.) 6.7 hours
• C) a.) 1,750 bacteria b.) 10.2 hours
• D) a.) 850 bacteria b.) 5.2 hours

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Definitions:

Sacred

Related to religious or spiritual significance; objects, places, or concepts regarded with great respect or reverence.

Contamination

The presence of unwelcome substances or pollutants in something that makes it impure or unsafe, often associated with environments, food, and water.

Elvis Presley

Elvis Presley was an iconic American singer, musician, and actor, often referred to as the "King of Rock and Roll" for his influential role in the development of rock music.

Profane Consumption

The purchasing and use of products in routine, everyday life outside the realms of sacred or extraordinary contexts.