Question

f:x → highest prime factor of x.
(i) Find the range of f when the domain is {12, 13, 14, 15, 16, 17}
(i) State a domain of five integers for which the range is (3).
(iii) A set of positive integers is called S. What can be said about these integers if f (S) = S?​

Answer 1

Answer:

1st .....17-15 =2

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