Assignment

Section 4-7

Self Quiz -
not graded

 
Quiz 1  Chapter 4

Unit 4 - Exponential and Logarithmic Functions

This chapter focuses on exponential and logarithmic functions and their application to real life problems.

Graphing Calculator Skills needed for this chapter.

Section 4.1 Exponential Functions and their Graphs

This section explores functions in the form of y = a^x similar to the graph on  the left.  

Highlights and Objectives :

Evaluate exponential functions on the calculator. The symbol ^ on the calculator is used for exponents.

3^4 = 3⁴ = 81

Apply properties of exponents to simplify exponential functions. 3⁴ *3⁵ = 3⁹.

Identify and evaluate functions with the natural exponential function with base e.

Graph exponential functions and identify asymptotes.

Apply exponential function to real life problems including compound interest.

Click on the LiveMath symbol to further explore exponential graphs

This section explores the inverse of the exponential function, the logarithmic function, y = log_ax  

Highlights and objectives

Understand the definition of Logarithms including the natural log, ln

Evaluate logarithmic expression.

Use the properties of logarithms on Page 331 to evaluate and simplify logarithmic expressions.

Find the domain and range of logarithmic functions.

Sketch the graphs of logarithmic functions.