Essay
The height of a hill (in feet) is given by where x is the distance (in miles) east and y is the distance (in miles) north of your cabin.If you are at a point on the hill 1 mile north and 1 mile east of your cabin, what is the rate of change of the height of the hill (a) in a northerly direction and (b) in an easterly direction?
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(a) -570 f...View Answer
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