Let N be the set if natural numbers and two functions and be difined as such that
and . Then is:
Onto but not one-one
Neither one-one nor onto
one-one but not onto
both one-one and onto
Onto function -
If f:AB is such that each & every element in B is the f image of atleast one element in A.Then it is Onto function.
The range of f is equal to Co - domain of f.
One - One or Injective function -
A function in which every element of range of function corresponds to exactly one elements.
A line parallel to x - axis cut the curve at most one point.
Many one but onto function
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