1- If liquid is owing into an inverted cone at a constant rate, the rate at which the water level is rising changes with time. What other dimension changes with time? a) Flow rate of the liquid c) Height of the cone o} Lateral surface of the cone d} Surface area of the water 2. For a given perimeter. what is the ratio of the length to the width of a rectangle that will have the maximum area? alt\"! [311:2 c} 2:1 d}3:1 3. For a tangent line to a curve. what is the slope of the normal line? a} m a} -ro c} cm a} -1rm