• #### The Number e and the Natural Logarithm - Problem 3

##### Math›Precalculus›Exponential and Logarithmic Functions
How to change any exponential function to base e.
• #### Introduction to Logarithms - Concept

##### Math›Precalculus›Exponential and Logarithmic Functions
How to use inverses to define the logarithmic function.
• #### Properties of Logarithms - Concept

##### Math›Precalculus›Exponential and Logarithmic Functions
How to evaluate logarithms when the argument is a recognizable power of the base.
• #### Properties of Logarithms - Problem 3

##### Math›Precalculus›Exponential and Logarithmic Functions
How to use the change of base theorem to rewrite or simplify logarithms.
• #### Properties of Logarithms - Problem 1

##### Math›Precalculus›Exponential and Logarithmic Functions
How to evaluate logarithms (using the properties of logs) when you have one value given.
• #### Properties of Logarithms - Problem 2

##### Math›Precalculus›Exponential and Logarithmic Functions
How to evaluate logarithms when a change of base is helpful.
• #### The Number e and the Natural Logarithm - Problem 1

##### Math›Precalculus›Exponential and Logarithmic Functions
How the natural logarithm is defined.
• #### The Number e and the Natural Logarithm - Problem 2

##### Math›Precalculus›Exponential and Logarithmic Functions
How to evaluate natural logarithms of e to a power.
• #### Indirect Variation - Concept

##### Math›Algebra 2›Functions
How to define indirect variation.
• #### Indirect Variation - Problem 2

##### Math›Algebra 2›Functions
Writing the equation for indirect or inverse relationships between two variables.
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• #### Indirect Variation - Problem 1

##### Math›Algebra 2›Functions
How to solve an indirect variation problem using variables.

• #### Solving Trigonometric Equations - Problem 3

How to solve a simple trig equation involving secant.