Examine the following table of values of a quadratic function f. X -5 -4 -3 -2 -1 0 f(x) -6 -3 -2 -3 -6 -11 a. What is the equation of the axis of symmetry of the associated parabola? Justify your answer. b. Find the minimum or maximum value of the function and the value of x at which it occurs. Select an answer at c. Sketch a graph of the function from the values given in the table and find an expression for the function. 7 6 5 4 3 2 1 -7 -6 -5 -4 -3 -2 -1 1 -2 -3 -4 -5 -6 7 2 3 6 7