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For every real number x, let

Find all x for which f(x)=5. Also send working, please.

 Jun 17, 2021
 #1
avatar+114012 
+2

Solve x^2=5   are either of the answers in the rage x<=-2?

Solve |2x+1|=5 is the answer/s in the required range?

Solve 3x+8=5  is the answer/s in the required range?

 Jun 17, 2021

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