Question 3. Consider the following 7 functions. (1)14m + log n (2)3m2 +2n + 5 (3)2" (4)4" n. n -7 i-0 i=0 (a) For each of the first three functions, prove that they each have a little-o relationship to the successive function. (b) For each of the last three functions, prove that they are -equivalent to one of the first four functions