Question 1 (Essay Worth 10 points) (02.03 MC)
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:
у
50
40
Height (in feet)
30
20
10
0
2
4
12
6
8
10
Time (in seconds)
Part A: During what interval(s) of the domain is the water balloon's height increasing? (2 points)
Part B: During what interval(s) of the domain is the water balloon's height staying the same? (2 points)
Part C: During what interval(s) of the domain is the water balloon's height decreasing the fastest? Use complete sentences to support
your answer. (3 points)
Part D: Use the constraints of the real-world situation to predict the height of the water balloon at 14 seconds. Use complete sentences
to support your answer. (3 points)