At 12:00 noon, there were 225 bacteria present. By 4:00 pm, there were 427 bacteria. If the bacteria grows continuously, how many will there be at 7:30 pm?
At 12:00 noon, there were 225 bacteria present. By 4:00 pm, there were 427 bacteria. If the bacteria grows continuously, how many will there be at 7:30 pm?
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Exponential And Logarithmic Functions
Section5.5: Exponential And Logarithmic Models
Problem 2ECP
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Question
At 12:00 noon, there were 225 bacteria present. By 4:00 pm, there were 427 bacteria. If the bacteria grows continuously, how many will there be at 7:30 pm?
Expert Solution
Step 1
Let us consider the equation of exponential growth is
Where, The amount at any time
The initial amount
The growth factor
Time
Now, at time that is ,
Substitute the values and further simplify it
Hence, .
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