Task: Question Answering
Input (English): Problem: f ( x ) is a function such that f ( 2 x + 1 ) = 2 f ( x ) + 1 for all real numbers x and f ( 0 ) = 2. find the value of f ( 3 ).
Options: a. 10, b. 11, c. 12, d. 13, e. 14
Output (English): b