9th grade algebra
posted by Allyson .
The table shows the ammount ( IN dollars) spent by a household on plans and flowers in certain years. ( Time interval means to give a range of years)
A) Determine the time interval during which the amount spent on plans showed the least rate of change.
B) Determine the time interval during which the amount spent on plants showed the greatest rate of change
Table:
Year: 2001, 2002, 2003, 2004, 2005
Amount: 127, 134, 139, 137, 136
Answer for A:
2001, 127.
Answer for B: 2003, 139
Did I do these right?/
Thanks :)

Answer for A: 20042005
Do B the same way. 
no, the greatest rate was 20012001
the least rate was 20032004, rate was 2/per year.