Task: Question Answering
Input (English): Problem: assume that f ( 1 ) = 0 and f ( m + n ) = f ( m ) + f ( n ) + 4 ( 9 mn - 1 ) . for all natural numbers ( integers > 0 ) m and n . what is the value of f ( 17 ) ? 
Options: a ) 4832 , b ) 4855 , c ) 4825 , d ) 4895 , e ) 4862
Output (English): a