Math 141_Class Wed_Oct17

# Math 141_Class Wed_Oct17 - 3#22 Water is leaking out of an...

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Class Wednesday, October 17 No class Thursday; Friday section 4.3 Derivatives and shapes of curves I. Do more related rate problems 1. #10 page 267 At noon, ship A is 159 km west of ship B. Ship A is sailing east at 35 km/h and ship B is sailing north at 25 km/h How fast is the distance between the ships changing at 4 p.m. 2. #18 A boat is pulled into a dock by a rope attached to the bow of the boat and passing through a pulley on the dock that is 1m higher than the bow of the boat. If the rope is pulled in at a rate of 1m/s,, how hast is the boat approaching the dock when it is 8m. from the dock?

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Unformatted text preview: 3. #22 Water is leaking out of an inverted conical tank at a rate of 10,000 cm^3 / min. at the same time that water is being pumped into the tank at a constant rate. The tank has height 6 m. and the diameter at the top is 4m. If the water level is rising at a rate of 20 cm/min when the height of the water is 2m. , find the rate at which water is being pumped into the tank. II. Maximum and Minimum Values 1. #40 page 276 2 9 6 ) ( 2 3 + +-= x x x x f on [-1, 4] 2. #46 x x x f cos 2 ) (-= on ] , [ π-...
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Math 141_Class Wed_Oct17 - 3#22 Water is leaking out of an...

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