Question: 11. (2.3.34) Let f:B + C and g: A + B be functions. (a) Prove or disprove the following statement: If fog: A +C is

11. (2.3.34) Let f:B + C and g: A + B

11. (2.3.34) Let f:B + C and g: A + B be functions. (a) Prove or disprove the following statement: If fog: A +C is an injection, then g: A + B is also an injection. (b) Prove or disprove the following statement: If fog: A +C is an injection, then f :B + C is also an injection

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