+0  
 
+1
321
3
avatar+32 

Someone please help me. Thanks!!!

 Jan 31, 2019

Best Answer 

 #3
avatar+30083 
+4

f(something) = -3, so, from the graph, something1 = 0 and something2 = -4

 

”something” is f(f(x)), so f(f(x)) = 0 and -4

 

This means f(somethingelse1) = 0 and f(somethingelse2) = -4

 

Fom the graph we see somethingelse1a = 2 and somethingelse1b = -6

Also somethingelse2 = -2 (only one value)

 

This means f(x) = 2, -6, -2

 

When f(x) = 2, x = 3 and -7

f(x) never reaches -6

When f(x) = -2, x = 1 and -5

 

So sum = 3 - 7 + 1 - 5 = -8

 Jan 31, 2019
 #1
avatar+111328 
+1

*****

 

 

cool cool cool

 Jan 31, 2019
edited by CPhill  Jan 31, 2019
 #2
avatar+32 
0

Im sorry but that answer is incorrect

 Jan 31, 2019
 #3
avatar+30083 
+4
Best Answer

f(something) = -3, so, from the graph, something1 = 0 and something2 = -4

 

”something” is f(f(x)), so f(f(x)) = 0 and -4

 

This means f(somethingelse1) = 0 and f(somethingelse2) = -4

 

Fom the graph we see somethingelse1a = 2 and somethingelse1b = -6

Also somethingelse2 = -2 (only one value)

 

This means f(x) = 2, -6, -2

 

When f(x) = 2, x = 3 and -7

f(x) never reaches -6

When f(x) = -2, x = 1 and -5

 

So sum = 3 - 7 + 1 - 5 = -8

Alan Jan 31, 2019

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