How to find CAGR for this hypothetical problem

CFA Level II
#1

2011- 6.35
2012-- 7.48
2013- 12.32

#2

Answer two questions:

  • What’s the overall growth factor?
  • Over how many years?
#3

Year is 2011 to 2013

#4

That almost answers the second question.

What about the first?