Let A ={ 2,3,5} and B ={ x, y}. Letp1 and p2 be
Chapter 7, Problem 7.34(choose chapter or problem)
Let A ={ 2,3,5} and B ={ x, y}. Letp1 and p2 be theprojections of A B onto the rst and second coordi-nates. That is, for each pair (a,b) A B, p1(a,b) =aand p2(a,b) =b. a. Find p1(2, y) and p1(5,x). What is the range of p1? b. Find p2(2, y) and p2(5,x). What is the range of p2?
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