In Exercises 1 to 24, find the first three terms and the n eighth term of the sequence that has the given nth term. In Exercises 19 and 20, round values to the nearest ten-thousandth. an = (-1)n+1n(n + 1)

WEEK 7 Tuesday, September 27, 2012:01 PM Wednesday, September 28, 2016 12:01 PM Wednesday, September 28, 2016 12:06 PM Wednesday, September 28, 2016 12:21 PM Thursday, September 29, 2016 12:06 PM Thursday, September 29, 2016 12:17 PM Thursday, September 29, 2016 12:31 PM