Need just the correct answer options:

Question 14 Not yet answered Marked out of 1.00 Flag question You put a rice corn on the first field of a chess board, two on the second field, four on the third field, eight on the fourth field, and so on. How many rice corns do you need to fill the chess board? Select one: O a. >=02 O b. J 63 Li=0 2* 64 21 O d. J 63 Li=1 2* O e. ) 63 Liz1 2" + 1Question 18 Not yet answered Marked out of 1.00 Flag question Let A = {1, 2, 3} and B = {4, 5, 6}. Which one of the following relations is not a function with domain A and codomain B? Select one: O a. {(1, 4), (2, 5), (3, 4) } O b. { (1, 4), (2, 4), (3, 5) } O c. { (1, 6), (2, 4), (3, 5) } O d. { (1, 4), (2, 5), (3, 6) } O e. { (1, 4), (2, 5), (2, 6), (3, 4) } Question 19 Not yet answered Marked out of 1.00 Flag question Let A = {1, 2, 3} and B = {4, 5, 6, 7}. Which one of the following functions fi : A - Bis injective? Select one: O a. f1 = { (1, 4), (1, 5), (2, 6) } O b. f2 = { (2, 4), (2, 7) } O c. f3 = {(1, 4), (2, 4), (2, 5), (3,6) } O d. f4 = { (1, 4), (2, 7), (3, 5) } O e. fs = {(1, 4), (2, 5), (3, 6), (3, 7) }Question 6 Not yet answered Marked out of 1.00 F Flag question Let on = and + nwith a starting value ofa = 4. What i5 the Solution to this recurrence relation? Select one: Q a. It has no solution. o b.a,n=4+ 23 O O