6. Two marks exercise problems IV

Let $A = \{9, 10, 11, 12, 13, 14, 15, 16, 17\}$ and let $f: A \rightarrow N$ be defined by $f(n) =$ the highest prime factor of $n \in A$. Write $f$ as a set of ordered pairs and find the range of $f$.

 

 

Range of $f$ $=$ $\left\{i,i,i,i,i,i\right\}$

 

[Note: Enter the numbers as per the given order]