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avatar+798 

Let f(x) = 3x^2 - 7 and g(f(4)) = 9. What is g(f(-4))?

 

So I figured out that f(4) and f(-4) both equal 41... but I'm not sure what to do in g(f(4)) = 9 since there's no variable...

 May 31, 2020
 #2
avatar+30585 
+1

Note that f(-4) = f(4) . 
 

You should be able to take it from here.

 May 31, 2020
 #3
avatar+798 
+1

Well yes I figured that out, but I'm still not sure what to do...

AnimalMaster  May 31, 2020
 #4
avatar+798 
+1

nvm i got it. the answer is 9

AnimalMaster  May 31, 2020

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