According to the nature shown by a Function it can be classified into different types.
They are as following:
1> One-To-One function.
A Function is said to be a One-To-One Function if every element of Domain of the function have its own and unique element in Range of the Function.
A function from set A to set B is said to be a One-To-One Function if no two or more elements of set A have
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What is Function?
A Function from set A to set B is a Relation or a rule which associates or maps or images each and every element of set A with a element in set B.
A function is a special case or Relation in which each and every element of first set (A) is related with only one element of second set(B).
Denotation of function:
A function from set A to set B is denoted by :
f:A→B
And
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What is Variable?
An entity which doesn’t have a fixed value instead have many values is known as a Variable.
For example:
Let A be a set and suppose x∈A or x is a element of set A.
by x∈A , we don’t mean x is a element of set A instead we mean x is a representative for elements of set A.
so , x doesn’t have a fixed value or only one value instead it have many values.
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