Respuesta :

the function is.

[tex]f(x)=5x-6[/tex]

So to solve it we need to replace the order pair and see if the equation have sence so:

For (3,9)

[tex]\begin{gathered} 9=5\cdot3-6 \\ 9=15-6 \\ 9=9 \end{gathered}[/tex]

So A is correct

For (1,-1)

[tex]undefined[/tex]