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  3. 3. let f : x → y and g: y → z be fun

3. Let F : X → Y and G: Y → Z be functions. i. If...

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Advance Math

3. Let F : X → Y and G: Y → Z be functions.

i. If G â—¦ F is injective, then F is injective.

ii. If G â—¦ F is surjective, then G is surjective.

iii. If G â—¦ F is constant, then F is constant or G isconstant.

iv. If F is constant or G is constant, then G â—¦ F isconstant.

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