Answer:

Explanation:
The Shabelle river increased 5.25'' for hour according to this rule:
This is a linear and continuous function.
The Domain is the set of hours in which the increase in water has been observed. So we'll exclude negative values for there is not negative hours. As the study on Shabelle river may go on, then we can say for the Domain:

The Range is the set of inches the Shabelle River has increased. Since we don't have the initial level. If we plug in 0 for y=5.25(0) ⇒We'll have y=0 Then
