Question: Suppose that g is a function from A to B and f is a function from B to C. a) Show that if both f

Suppose that g is a function from A to B and f is a function from B to C.
a) Show that if both f and g are one-to-one functions, then f ◦ g is also one-to-one.
b) Show that if both f and g are onto functions, then f ◦ g is also onto.

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