Which is f(-3) for the quadratic function graphed

         We have to find on the graph which is f ( - 3 ).
         This is the quadratic function which passes through the points: ( - 6, - 3 ), ( 0 , - 3 ) and ( - 3, - 9 ).
         Also we can conclude that the point ( - 3, - 9 ) is the minimum value of this function. So : f ( - 3 ) = - 9.
       
        A ) - 9.

the image of (6, 9) under a dilation is (4, 6). the scale factor is

b. 2/3