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Unformatted text preview: This is the 21st century. Find the point in the ﬁrst quadrant where the tangent to the curve is horizontal. Problem 4. Air is being pumped in a balloon at a rate of 2 cubic centimeters per minute. How fast is the surface of the balloon changing when the radius is 2 centimeters? Problem 5. A reservoir in the shape of an inverted cone has a radius of 2 meters at the top and a depth of 6 meters. Wine is poured into the reservoir at a rate of 1 m 3 / sec. At what rate is the depth of the wine increasing when the depth is 4 meters? J-RULE: Just answers - “yes”, “5” - won’t get you full marks, but (correctly) justiﬁed answers - “yes, because. ..”, “(some algebra). .. (sweat sweat) . .. 5” - will. 1...
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This note was uploaded on 01/27/2012 for the course ECON 204 taught by Professor Beryl li during the Spring '11 term at University of Victoria.
- Spring '11
- Beryl Li