The average rate of change of a graph between two intervals is given by the difference in value of the values on the graph of the two interval divided by the difference between the two intervals.
Part A.
From the graph the average Valentine's day spending in 2005 is 98 while the average Valentine's day spending in 2007 is 120.
The average rate of change in spending between 2005 and 2007 is given by

Part B
From the graph the average Valentine's day spending in 2004 is 100 while the average Valentine's day spending in 2010 is 103.
The average rate of change in spending between 2004 and 2010 is given by

Part C:
From the graph the average Valentine's day spending in 2009 is 102 while the average Valentine's day spending in 2010 is 103.
The average rate of change in spending between 2009 and 2010 is given by
Answer:
The amount is not showing
Step-by-step explanation:
A
n
= the term that you want to find
a
1
= first term in the sequence
n = the term position (ex: for 5th term, n = 5 )
d
d = common difference of any pair of consecutive or adjacent numbers
Answer is <span>B.) 3287
hope that helps
..................................
4325/25 = 173
173 * 19 = 3287
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