Respostas

  • Usuário do Brainly
2013-05-29T22:39:29-03:00

Temos que:

 

\text{f}(\text{x})=6\text{x}-2

 

Desta maneira, temos que:

 

\text{f}(\text{a})=6\text{a}-2=2\cdot(3\text{a}-1)

 

Analogamente:

 

\text{f}\left(\dfrac{1}{2}\right)=6\cdot\dfrac{1}{2}-2=3-2=1

 

\text{f}(3)=6\cdot3-2=18-2=16