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

 

would the answer be -9??? 

THX IN ADVANCE

 Aug 18, 2019
 #1
avatar+6045 
+1

f(x) is an even function.

 

f(4) = f(-4)

 

so what's the answer?

 Aug 18, 2019
 #2
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-9

but I heighly dought that this is correct. 

 

ps. srry for my spelling mistakes:)

 Aug 19, 2019
 #3
avatar+6045 
+1

f(4) = f(-4)

 

g(f(4)) = g(f(-4)) = 9

Rom  Aug 19, 2019
 #6
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+1

THX SO MUCH

Guest Aug 19, 2019
 #4
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wow how did I not see that. I suck at functions. THX SO MUCH

 Aug 19, 2019

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