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For a real number x, let

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

f(x) = |3x + 1| if -7 < x <= 1

f(x) = 3x - 8 if x > 1

Find all x for which f(x)=5.

 May 13, 2022
 #1
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Here is you diagram, can you work it out now.

 

 May 14, 2022

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