The rate of change is constant in the graph. find the rate of
change. explain what the rate of change means for the situation.
resale value of a refrigerator
a -100; value drops $100 every year.
6004
100
value drops $100 every 3 years.
amounts (5)
c -1; value drops $1 every year.
d-3; value drops $3 every year.
3 6 9 12 15 18
years after original purchase