Answer:
It is a rational number
Step-by-step explanation:
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Answer:

Step-by-step explanation:
An exponential function for the colony of bacteria has the following format:

In which A(t) is the population after t hours, A(0) is the initial population and r is the growth rate.
There are 3,500 bacteria in the colony at the time observations begin.
This means that A(0) = 3500.
A colony of bacteria is increasing at the rate of 15% each hour.
This means that 
Find an exponential growth model for A, the number of bacteria t hrs after the first observation.

