11.1 Sequences (7,15,19,23). For these problems try to write out some terms, describe what you see, find bounds and limit, and try to estimate the distance from the nth term to the limit.

23-32 Determine whether the geometric series is convergent or divergent. If it is convergent, find its sum. 33-50 Determine whether the series is convergent or divergent. If it is convergent, find its sum