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Course: Algebra 1 (Illustrative Mathematics)?>?Unit 11
Lesson 4: Expressed in different waysInterpret change in exponential models: with manipulation
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Problem
After a special medicine is introduced into a petri dish full of bacteria, the number of bacteria remaining in the dish decreases rapidly.
The relationship between the elapsed time , in seconds, and the number of bacteria, , in the petri dish is modeled by the following function:
Complete the following sentence about the rate of change of the bacterial culture.
Round your answer to two decimal places.
The bacterial culture loses of its size every seconds.