11. Which of the following is the solution for the recursive function a(n) = 2*a(n-1)? a. n+2 b. 2*n (2 times n) c. 2**n (2 to the power of n) d. n/2 (n divide 2) e. None of the above 12. What is the Bigo (O) of the following the recursive function? T(n) = n* *2 + 3^n+2 a. n**2 _(n to the power 2) b. n c.log(n) d. n*log(n) e. None of the above 13. Let T(m) be defined by T(I) = 7 and T(+1) - 3+ T() for all integers 1. Which of the following represents the order of growth of T(m) as a function of ? a. (n) b. in log ) c. (12) d. (n log m) e. (20