The third term is when n=3 .
When n=3 ,
T ( n ) = 2 n + 3 T ( 3 ) = 2 ( 3 ) + 3 T ( 3 ) = 6 + 3 T ( 3 ) = 9
T ( 3 ) = 2 ⋅ 3 + 3 = 6 + 3 = 9
The 3rd term of the function T ( n ) = 2 n + 3 is found by substituting n = 3 . This results in T ( 3 ) = 9 . Hence, the answer is 9.
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