The price of gasoline could increase exponentially as modelled by the function P = Poe^rt.
An exponential function is a function that increases or decreases in an exponential manner.
We could write the function that models the future price of gasoline as P = Poe^rt
Where;
Po = present price of gasoline
P = Price of gasoline at time t
r = rate of increase in the price of gasoline
t = time interval
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