reine0805 reine0805
  • 25-05-2018
  • Mathematics
contestada

what is f(3) if f(x) =2x+6

Respuesta :

cchikoo
cchikoo cchikoo
  • 25-05-2018
f(3) = 2(3)+6
f(3)= 6+6
f(3)=12

Hope this helps!
Answer Link
jay983
jay983 jay983
  • 25-05-2018
Replace f(x) with y
Y=2x-6

Interchange the variables
X=2y-6

Solve for y
Y=3+x/2

F to the negative 1st power (x)=3+x/2
Answer Link

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