Question 9 The revenue ( in millions of dollars ) from the sale of x units at a home supply outlet is given by h(x ) = 0. 15 x The profit ( in millions of dollars ) from the sale of X units is given by P ( x ) = 0.089x - 1.1 . ( A ) Find the cost equation . ( B ) what is the cost at producing 7 units ? (c ) what is the break -even point ? ( a) c ( x) = Question 11 Find the rule of a quadratic function whose graph has the given vertex and passes through the given point . Vertex (3, 2) , point ( 1, 22) F ( x) =