The linear model represents the height, f(x), of a water balloon thrown off the roof of a building over time, x, measured in seconds. During what interval(s) of the domain is the water balloon's height decreasing the fastest?

A.5 ≤ x ≤ 9.5
B.8 ≤ x ≤ 9.5
C.6 ≤ x ≤ 8
D. 5 ≤ x ≤ 6

The linear model represents the height fx of a water balloon thrown off the roof of a building over time x measured in seconds During what intervals of the doma class=