f(x) is a function such that f(2x + 1) = 2f(x) + 1 for all real numbers x and f(0) = 2. Find the value of f(3). Options
A) 9  B) 10  C) 11  D) 12  E) 15
f(2x + 1) = 2f(x) + 1 : given   f(3) = 2f(1) + 1 : x = 1 in A   f(1) = 2f(0) + 1 : x = 0 in A   f(3) = 11 : substitute   correct answer is 11) 11
<result>C</result>
f(x) is a function such that f(2x + 1) = 2f(x) + 1 for all real numbers x and f(0) = 2. Find the value of f(3).