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Explains and demonstrates converting from exponentials to logs.
Converting from Exponential Notation to…
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Explains and demonstrates converting from logs to exponentials.
Converting from Logarithmic Notation to…
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This shows how to enter a value into a function to get a result for something like depreciation of value over time for a purchased item.
Evaluating an exponential function that models a…
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Demonstrates how to figure out the value of a logarithmic expression.
Evaluating Logarithmic Expressions
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This demonstrates how to write the function that includes the initial amount multiplied by the percent remaining or the initial amount multiplied by one plus the percent…
Finding a final amount in a word problem on…
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This video gives the formula for calculating compound interest and then demonstrates how to calculate the future amount after a given number of years.
Finding the final amount in a word problem on…
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A demonstration of how functions with a real number in the base and the variable in the exponent appear when they are graphed.
Graphing Exponential Functions
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A short discussion of how compunde interest works and why the amount in a compound interest account grows more and more quickly.
Introduction to compound interest
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Shows how to create common bases so that then the exponents can be set equal to each other and that equation can be solved.
Solving an exponential equation by finding common…
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A video about solving exponential equations.
Solving Equations of the Form b^x = b^y
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Gives a couple of examples that show how to solve logarithmic equations.
Solving Logarithmic Equations
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A video about word problems that can be solved using a formula involving exponential expressions.
Solving Problems Modeled by Exponential Equations
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Shows how to plug in the given x--values and get values for f(x) = b^x
Table for an exponential function
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Explains the simpler properties of logs and then demonstrates their use with a few examples.
Using Properties of Logarithms to Evaluate Log…
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