jackjosh345 jackjosh345
  • 13-09-2018
  • Mathematics
contestada

If f(x)=x-1/3 and g(x)=3x+1, what is (f o g)(x)?

Respuesta :

Branta Branta
  • 01-01-2020

Answer:

[tex]\[3x+\frac{2}{3}\][/tex]

Step-by-step explanation:

[tex]\[f(x)=x-\frac{1}{3}\][/tex]

[tex]\[g(x)=3x+1\][/tex]

Hence, [tex]\[(f o g)(x)=f(3x+1)\][/tex]

But, [tex]\[f(3x+1)=(3x+1)-\frac{1}{3}\][/tex]

Simplifying,

[tex]\[f(3x+1)=3x+(1-\frac{1}{3})\][/tex]

= [tex]\[f(3x+1)=3x+(\frac{3-1}{3})\][/tex]

= [tex]\[f(3x+1)=3x+(\frac{2}{3})\][/tex]

Hence, [tex]\[(f o g)(x)=3x+(\frac{2}{3})\][/tex]

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