puppy8077
puppy8077 puppy8077
  • 18-12-2016
  • Mathematics
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what is f(-4) if f(x) = 3x = 5 ?

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Аноним Аноним
  • 18-12-2016
I hope this helps you
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ZavierL
ZavierL ZavierL
  • 18-12-2016
_award brainliest if helped!

believe there's a typo ? f(x) = 3x =5 

f(-4) means when x=-4 . 
So you have to substitute x as -4 and calculate. 

If f(x) = 3x+5 , 
So when x=-4, f(-4) = 3(-4) +5 = -7

If f(x) = 3x-5, 
So when x=-4, f(-4) = 3(-4) -5 = -17 
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