If a and b are positive, which of the following functions could be represented by the graph of f (x) in the figure below? f(x Of ( x) = -(x - a) (x-b) Of ( x ) = -(x - a)2 + b Of (x) = -(x - a)(x+b) Of ( x ) = - ( x + a )2 -b Of ( x) = -(x -a)2 - b(a) The standard form for a quadratic expression is x2 - 12x + 32. Which of the following are equivalent to the given expression? Factored form: (x - 4) (x - 8) O Factored form: (x - 4) (x + 8) O Vertex form: (x - 6)2 + 4 O Vertex form: (x - 6)2 - 4 O Vertex form: (x + 6)2 - 4Find the number of x-intercepts of y = 1.5(x - 25)2 without changing the form of the right-hand side. There is/are x-intercept(s)