The Exponential and Natural Log Functions (6.3.1)

Question 1

What is the exponential function?

Answer 1

• Raising the number e to the power x produces the exponential function. It is a positive, increasing function.

Question 2

What is the natural log function?

Answer 2

• Taking the log to the base e of x (logex) produces the natural log function, noted ln x. It is an increasing function defined only for positive x-values.

Question 3

The exponential and natural log functions are inverses of what?

Answer 3

• The exponential and natural log functions are inverses of each other.