I am really struggling now that I reached related rates in calculus. But I really need to know the why's also, not just the answer. I know part of it is it's been 27years since I was in school. first question: A 6-ft man walks away from a 16-ft lamppost at a speed of 5 ft/s. Find the rate at which his shadow is increasing in length.
I am fairly sure of this solution. After finishing, I looked online and found this as well: http://www.math-prof.com/Calculus_1/Calc_Ch_21.asp About halfway down the page there is an example exactly like this.
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