How do you use a power series to find the exact value of the sum of the series 1+2+42! +83! +164! +… ?

Unless you're missing a fraction bar somewhere, the sum of that series approaches infinity.

Otherwise, the other option looks like 

Which has a power series of , starting at i=0 and going to infinity

What class is this? i have no idea and i'm not going to give you the wrong answer. do you have a graph that goes with all the questions