KeziyahV260908go KeziyahV260908go Mathematics Answered 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