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The entire graph of the function \(f(x)\)  is shown below (  \(f\) is only defined when \(x\)  is between \(-4\)  and \(-5\)  inclusive). How many values of x satisfy f(f(x)) = 2 ?

 

 Mar 14, 2017

Best Answer 

 #2
avatar+816 
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Thanks so much!

 Mar 14, 2017
 #1
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f(f(x))  = 2   when  f(x)   = -3 , 0   and 3

 

When f(x) = -3.....the value of x is not defined

 

When f(x)  = 0, x = -4

 

When f(x)  = 3, x = -2 and 4

 

So....the solutions are x= -4, x = -2  and x = 4

 

 

cool cool cool

 Mar 14, 2017
 #2
avatar+816 
+5
Best Answer

Thanks so much!

mathtoo Mar 14, 2017

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