Videos for College Algebra
Chapter 4
Section 4.1: Inverse Functions
Videos
- One-to-One Functions
- Horizontal Line Test
- Inverse Functions
- Finding Inverse Functions
- Finding the Inverse Function of a Rational Function
Section 4.2: Exponential Functions
Videos
- Exponential Functions and Their Graphs
- Solving Exponential Equations – Part 1
- Solving Exponential Equations – Part 2
- Compound Interest
- Compound Interest – Present Value
- Compound Interest – Finding Interest Rate
- The Number e and Continuous Compounding
Section 4.3: Logarithmic Functions
Videos
- Logarithms, Logarithmic Form, Exponential Form
- Logarithmic Equations
- Logarithmic Functions, Their Inverses, Their Graphs
- Logarithmic Graphs – Horizontal and Vertical Shifts
- Properties of Logarithms
Section 4.4: Evaluating Logarithms and the Change of Base Formula
Videos
- Common Logarithms (Base 10)
- pH of a Liquid
- Decibel Level of a Sound
- Natural Logarithm
- Natural Logarithm - Age of a Rock
- Change of Base Formula
Section 4.5: Exponential and Logarithmic Equations
Videos
- Exponential Equations - Part 1
- Exponential Equations - Part 2 (Base e)
- Logarithmic Equations - Part 1
- Logarithmic Equations - Part 2 - Quadratic Equations
- Logarithmic Equations - Part 3 - Simplifying First
- Applied Logarithmic Functions
Section 4.6: Models of Exponential Growth and Decay
Videos
- Exponential Growth
- Continuous Compounding
- Exponential Models
- Exponential Decay
- Radioactive Decay & Half-Life
- Newton's Law of Cooling
