# Compared to the speed at which the man rows hint this

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compared to the speed at which the man rows.) (Hint: This question is based on EXAMPLE 4 in Section 4.7 of the textbook. However, for this question, the textbook has added a challenge which may require an unexpected solution. Look for it!) 1 1 km from C Solution or Explanation Click to View Solution
12/14/16, 3)50 PM hw24S4.7 12. 3/3 points | Previous Answers SCalcET7 4.7.048. A woman at a point A on the shore of a circular lake with radius 2 mi wants to arrive at the point diametrically opposite A on the other side of the lake in the shortest possible time (see the figure). She can walk at the rate of 4 mi/h and row a boat at 2 mi/h. For what value of the angle θ shown in the figure will she minimize her travel time? C
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12/14/16, 3)50 PM hw24S4.7 13. 3/3 points | Previous Answers SCalcET7 4.7.052.MI. Find the equation of the line through the point ( 3 , 5 ) that cuts off the least area from the first quadrant.
Page 9 of 9 Solution or Explanation Click to View Solution 14. 3/3 points | Previous Answers SCalcET7 4.7.070. A steel pipe is being carried down a hallway 9 ft wide. At the end of the hall there is a right-angled turn into a narrower hallway 6 ft wide. What is the length of the longest pipe that can be carried horizontally around the corner? (Round your answer one decimal place.) 21.1 21.1 ft Solution or Explanation Click to View Solution