Which of the following statements is false? Select one: O a. A complete bipartite graph Kmn where m = 2 and n= 33 has an Euler path. O b. None of these O c. A cycle Cn where n = 50 has an Euler path d. A cycle Cn where n=50 has a Hamilton path e. A complete graph Kn where n = 45 has an Euler circuit. What is the smallest integer n for which the function f(x)=(x3+1)(x+2)(x2+2)+x[x3+7) is O(x")? Select one: O a. n=6 b.n=7 O c. n=4 n d. n=5