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f(x) = 3x - 1.  What is f(f(f(17)))?

 Jan 19, 2022
 #1
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Well, Ig you could just keep doing the function, but I am sure there is a more efficient way. If you just repeat the function you do f(f(f(17)))=f(f(3(17)-1))=f(f(50))=f(3(50)-1)=f(149)=3(149)-1=446.

So f(f(f(17)))=446.

Even if there's a more efficient way, no matter what, you should get 446 as your answer.

 Jan 19, 2022
 #2
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f(17) = 3(17) -1 = 50

f(50) = 149

f(149) = 446

 Jan 19, 2022

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