11. Write the equation of a parabola that matches each description. a) The graph of y = x^2 is reflected about the x-axis and then translated 5 units up. b) The graph of y = x^2 is stretched vertically by a factor of 5 and then translated 2 units left. c) The graph of y = x^2 is compressed vertically by a factor of 1/5 and then translated 6 units down. d) The graph of y = x^2 is reflected about the x-axis, stretched vertically by a factor of 6, translated 3 units right, and translated 4 units up.