(0.9)" = 1 +0.9 +0.81 +0.729 +. Verify that the infinite series converges. 10. n=0 n+ 1 26. Graph the first 10 terms of the sequence an =- -n Determine whether the sequence with the given nth term is monotonic and whether it is bounded. You can use a graphing calculator to confirm your results. 27. an = 4 - - 1 n 28. an = (-1)" () 3n 29. an = sin () 30. an = n + 2 the graph