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if g(x) is one to one, and f(g(x)) is one to one, is f(y) one to one?

if g(x) and f(g(x)) are onto, is f(y) is also onto?

if f(y) and f(g(x)) are onto, is g(x) is also onto?

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- Thread starter zaczhou
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- #1

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if g(x) is one to one, and f(g(x)) is one to one, is f(y) one to one?

if g(x) and f(g(x)) are onto, is f(y) is also onto?

if f(y) and f(g(x)) are onto, is g(x) is also onto?

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cristo

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