Exponential and logarithmic functions

Introduction

This chapter covers the algebra of functions and composite functions, and then logarithmic functions — including evaluating logarithms, the properties of logarithms, and the change-of-base formula.

Sections in this chapter

Composite functions

The algebra of functions and forming composite functions.

Logarithmic functions

Evaluating logarithms, properties of logarithms, compound interest, and changing the base of a logarithm.