7: Exponential Functions

Click on the following links to see a summary video of what we learned in class!

7.1.1 Investigating y=b^x

7.1.2 Multiple Representations of Exponential Functions

7.1.3 Exponential Growth Applications

7.1.4 Exponential Decay. Day 1: watch up to 4:50

7.1.5 Graph to Equation

7.1.6 Complete the Multiple Representations Web

7.2.1 Curve Fitting and Fractional Exponents

7.2.2 More Curve Fitting

7.2.3 Solving a System of Exponential Functions

Exponential functions

Y.1Evaluate an exponential function

Y.2 Graph exponential functions

Y.3 Match exponential functions and graphs I

Y.4 Match exponential functions and graphs II

Y.5 Domain and range of exponential functions: graphs

Intro to exponential functionsIn exponential functions the variable is in the exponent, like y=3ˣ. Here we introduce this concept with a few examples.

Evaluating fractional exponentsSal shows how to evaluate 64^(2/3) and (8/27)^(-2/3).

Exponential functions from tables & graphs (practice) | Khan AcademyWrite exponential functions of the basic form f(x)=a⋅rˣ, either when given a table with two input-output pairs, or when given the graph of the function.

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