Multiple choice: Write the letter of the best choice. (2 pts each) 1. If liquid is flowing 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 b) 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 Support will have the maximum area? a) 1:1 b) 1:2 c) 2:1 d) 3:1 3. For a tangent line to a curve, what is the slope of the normal line? a) m b) -m c) 1/m d) -1/m 4. Write the year in Roman numeral when VP DU30 was elected. a) MMXXII b) MMXVI C) MMXXIII d) MCMXX 5. What is the angle formed by the shortest line projected from a point on another line to a distinct point. a) acute angle b) right angle c) obtuse angle d) straight angle