For questians 5 through 8, consider the two methods below: Question 5 Question 6 Question 7 For a timing analysis af method b using the active aperatian approach, which line(s) of the above code is/are an apprapriate active aperatian? (check all that apply! If we let m=k. length, exactly how many times is line 4 executed? (The notation x means "floor", i.e., that x is rounded down to the nearest integer.) m m/2+1 logm m/2 m2