Analyze the graph to address the following questions about the quadratic function it represents. (0,0 (2, - 12) a) Is the leading coefficient positive or negative? O Negative O Positive b) What is the value of h? What is the value of k? h= k= c) What is the value of the leading coefficient a? a = (Simplify your answer.) d) Write the equation of the function in standard form f(x) = a(x - h)~ + k. f(x) = (Simplify your answer.) e) Write the equation of the function in the form f(x) = ax + bx + c