Remaining Time: 1 hour, 54 minutes Question Completion Status: 15,681,600 5. 1 points QUESTION 15 Determine how many vertices and how many edges the graph has. E O 5 vertices, 8 edges 6 vertices, 10 edges O. 5 vertices; 9 edges 6 vertices; 9 edges QUESTION 16 5.1 Write the first three terms in the binomial expansion, expressing the result in simplified form. Save All Ans 29 0 Mostly cloudy Q SearchRemaining Time: 1 hour, 54 minutes, 31 seconds. Question Completion Status: QUESTION 16 Write the first three terms in the binomial expansion, expressing the result in simplified form. (x - 2)17 O x 17 + 34x 16 - 544X 15 O x17 - 34x 16 . 544X 15 x 17 - 34x 16 + 544X 15 x17 + 34x 16 + 544X 15 QUESTION 17 5.1 points Write the first four terms of the sequence defined by the recursion formula. a1 = 2 and an = 4an-1 - 1 for n 2 2 2, 9, 37, 149 2, 8, 32, 128 2, 7, 31, 127 O 2, 7, 27, 107 QUESTION 18 5.1 po Martin has 4 pairs of black socks,5 pair of white socks and 3 pairs of gray socks. How many socks does she need to select in the dard to ensure that he has a pair of matching colors? How many socks does she need to select in the dard to ensure that he has a nair of black socks? Save All ANS 29 0 Mostly doudy Q Search