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For some constants a and b let

f(x) = 32 - 3x if x <= 8

f(x) = ax + b if x > 8

 

The function f has the property that f(f(x)) = x for all x. What is a + b?

 May 17, 2021
 #1
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a + b = 44.

 May 17, 2021

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