Dear Sarah C.,

 Please consult

https://sites.math.rutgers.edu/~zeilberg/Hist21/q5S.pdf

for the full solutions.

You got 9 points (out of 10).

You evaluated the continued fraction correctly, but you "missed  the point".
You ahd to say that it is an INFINITE continued fraction. 
This cost you a point.

 Best wishes,

   Dr. Z.