Greenrune113 Greenrune113
  • 19-08-2016
  • Mathematics
contestada

Evaluate the function f (x) = -4x + 9 at f (3).

Respuesta :

liza116 liza116
  • 19-08-2016
substituting 3 for x:
-4(3)+9
-12+9
-3
Answer Link
Аноним Аноним
  • 20-08-2016
Plug in f(x) = 3 to solve 

[tex]f (x) = -4x + 9 [/tex]

[tex]3 = -4x + 9[/tex] 

[tex]3-9=-4x[/tex] 

[tex]-6=-4x[/tex] 

[tex]-6/-4=x[/tex] 

[tex]6/4=x[/tex] 

[tex]3/2=x[/tex] 

[tex]x=3/2[/tex]
Answer Link

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