Q 15 A water fountain is designed in the shape of a parabola. The vertex of the parabola is at the point (0, 0), and the focus is at (0,3). The

water is released from the focus and drops down on the directrix so that the water moves left and right. (a) Draw a sketch of the situation, showing parabola focus and directrix. (b) Write down the equation of the parabola.