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Let

f(x) = x^2 - 4 if x < 7

f(x) = x + 13 if x >= 7

What is f(f(f(17)))?

 Dec 27, 2021
 #1
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What is f(f(f(17)))?

 

Hello Guest!

 

\(f(17)=17+13=30\\ f(f(17))=f(30)=30+13=43\\ {\color{blue}f(f(f(17)))=}f(43)=43+13=\color{blue}56\)

laugh  !

 Dec 27, 2021

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