A person leaves home and walks due west for a time and then walks due north. (a) The
Chapter 1, Problem 1.1.38(choose chapter or problem)
A person leaves home and walks due west for a time and then walks due north. (a) The person walks 10 miles in total. If w represents the (variable) distance west she walks, and D represents her (variable) distance from home at the end of her walk, is D a function of w? Why or why not? (b) Suppose now that x is the distance that she walks in total. Is D a function of x? Why or why not?
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