Solved: Suppose that g is a function from A to B and f is
Chapter 2, Problem 2.3.29(choose chapter or problem)
Suppose that g is a function from A to B and f is a function from B to C. a) Show that if both f and g are one-to-one functions, then fog is also one-to-one. b) Show that if both f and g are onto functions, then fog is also onto.
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