Question: Extra Problem (4 pts): Prove or disprove the following two statements. a) If f and f o g are one-to-one then g is one-to-one. (b)

Extra Problem (4 pts): Prove or disprove the following two statements.

Extra Problem (4 pts): Prove or disprove the following two statements. a) If f and f o g are one-to-one then g is one-to-one. (b) If f and f o g are onto then g is onto. To disprove a statement is enough to give an example for which the statement is talse

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