One One Or Injective Function

One-One or Injective function

graph TB A[One-One or Injective function] --> B[Definition] A --> C[Examples] A --> D[Properties] B --> E["Function f: A -> B is said to be one-one (or injective), if the images of distinct elements of A under f are distinct, i.e. if a, b ∈ A and a ≠ b, then f(a) ≠ f(b)."] C --> F["If f(x) = 2x + 3, then for any two different values of x, we get two different values of f(x). Hence, f(x) = 2x + 3 is one-one."] D --> G["If f and g are both injective then the composition function (f o g) is also injective."]


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