| Compositions of Functions | 
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| Functions can be combined into a composition of functions. In a composition, one function is performed on a value, then the output of the first function is fed into a second.   | 
Let's find FoG(x) of two example equations:
|   | Figure 1. | 
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Now, let's find GoF(x) of the same two example equations:
|   | Figure 2. | 
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How would we find GoF(2)?
|   | Figure 3. | 
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