Sun spot activity goes in an eleven-year cycle. The last cycle started in 2008 and ended in 2018. Here is the activity per year Year

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

Number Recorded-per month

8.6

21.6

64.2

93.4

119.6

110.9

104.1

63.6

40.4

29.8

15.2

(data obtained from https://www. sws. bom. gov. au/Educational/2/3/6 (Links to an external site.))

Prompts:

Graph this data (years as input).
How do you know the data represents a function? Explain.
Does this data represent linear data? Explain fully.