Question

From graph its dear that it will cover all integers in ths mange ( (c) )

# (10. A function f from the set of natural numbers to integers defined by (n-1 -, when n is odd f(n)= is -, when n is even Wb 2 (A) one-one but not onto (c) one-one and onto both (B) onto but not one-one (D) neither one-one nor onto

Solution