Each f in 1.11-1.16 defines a mapping from lR (or a subset of lR) to R Determine whichof
Chapter 1, Problem 1.12(choose chapter or problem)
Each f in 1.11-1.16 defines a mapping from lR (or a subset of lR) to R Determine whichof these mappings are onto and which are one-to-one. Also describef(P) in each case,for P the setof positive real numbers.f(x) = x - 4
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