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Mathematics, 20.09.2019 23:10 Gabilop

Let f: x - y and g: y z be functions disprove: if g of: xz is surjective then f is surjective. (b) prove or disprove: if go f: x > z is surjective then g is surjective. (a) prove or

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Let f: x - y and g: y z be functions disprove: if g of: xz is surjective then f is surjective. (...
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