The amount of bacteria in an experiment can be modeled by the function f(x) = 2.5^x + 4, where x is the number of hours
passed since the beginning of the experiment.
while the mathematical range is all values greater than 4, the reasonable range has an unknown upper limit and y > _(greater than or equal too sign)

Thats where they was ported and the fields that noone really knew much about needed tended, so they put slaves out there do free work and huge profits and so on the north decided to hold its own and was more different way of survival did not have same climate conditions to afford protecting slaves from winter so expenses be diff from south