Answer:
The exponential function is 
Step-by-step explanation:
Given
be the number of hours.
number of bacteria cells.
And we know that an exponential function is 
,where 
is a positive real number, and in which the argument occurs as an exponent
The petri dish has 
bacteria cells we can say that 
In the equation as 
is function of time and 
will vary as 
for respective hours.
To find the value of we have to understand that it is dependent on percent increase if there is increment of 
then 
So the exponential function will be ,plugging the values it will be equivalent to 
Check:
So in first hour the cells will increased by a quantity of 
cells.
The number of cells after an hour in the petri dish 
That can also be from the formula.
So the exponential function is
will increase exponentially as the value of increase.
