Answer:
A. (1 , 8.5) (2, 8) (3,7.5) (4,7) (5, 6.5) (6,6)
Obtained by plugging into 9-0.5x
9 is initial value and -0.5 is rate of change
B. This is a function, it has a contact rate of change of -0.5 inches per hour
C. if the relation was .45 instead of 0.5 it would still be a function. The equation would instead be 9-0.45x. which would bring out different values.