Graph(A)-not a function, graph(B)-function, mapping(A)-function, mapping(B)-function, mapping(B)-not a function, table(A)-not function, table(B)-function.
What is a function?
It is defined as a special type of relationship and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.
In graph (A) if we draw a vertical line it toches the graph at two points which means it is not a function.
But in graph (B) if we draw a vertical line it touches only one point which means this graph is a function.
Mapping (A) is representing many to one mapping it can be possible in the function that different values of the domain can get the same value in the range which means the mapping (A) is representing a function.
Mapping (B) is representing one to many mapping one value in the domain pointing at different values in the range which is not a function.
In table (A) we are getting two values in the range for 2 which means it is not a function.
In table (B) every element of x(domain) is related to only one value of y(range). It is showing a function.
Thus, graph(A)-not a function, graph(B)-function, mapping(A)-function, mapping(B)-function, mapping(B)-not a function, table(A)-not function, table(B)-function.
Learn more about the function here:
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