Find the vertex and axis of symmetry of the graph of the function. 6) f(x) = 3x2 - 30x F) (-5, -75); x = -5 G) (-5, 0); x = -5 H) (5,0); x = 5 D (5.-75); x = 5

Respuesta :

[tex]\begin{gathered} y-9=\frac{12-9}{12-5}(x-5) \\ y-9=\frac{3}{7}(x-5) \\ 7y-63=3x-15 \\ 7y=3x+63-15 \\ 7y=3x+48 \\ y=0.43+6.85 \end{gathered}[/tex]