Let and . Define functions F and G by the arrow diagrams below
Whether the given function F is one-to-one or onto.
The arrow diagram of given function F is as follows:
A function F is said to be one-to-one function if, and only if, the distinct elements in its domain are mapped with the distinct elements in its co-domain.
A function is said to be onto function if, and only if, each element in its codomain is the image of at least one element in its domain.
Here two element of domain has the same output value.
Therefore this function is not one-to-one function
Whether the given function G is one-to-one or onto.
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