Question 7 12.5 pts Select the best answer. Bob wants to prove a property P for all odd positive integer numbers n using mathematical induction. His base case must be. None of these answers On-1 On-3 On-o Smplhed Investing Big Event Backdrops Question 2 12.5 pts Select the best answer. Bob wants to prove a property P for all integer numbers x (x>-0) using mathematical induction. He should first show P for O None of these answers Question 3 12.5 p Select the best answer. Bob wants to prove a property P for all odd integer numbers n using mathematical induction. After checking the base case, he must assume P for n and then prove P for n + 2 n+3 o n+ 1 None of these answers Question 5 12.5 pt Select the best answer. Bob wants to prove a property P for all integer numbers x (x> 1) using mathematical induction. He should first show P for (e) x=2 x=1 None of these answers