What is an exponential function?
2 Answers
The exponential function is used to model a relationship in which a constant change in the independent variable gives the same proportional change in the dependent variable.
The function is often written as exp(x) It is widely used in physics, chemistry, engineering, mathematical biology, economics and mathematics.
An exponential function is a function of the form
For integer and rational
For irrational
Examples:
The last example illustrates why we also consider
We can write