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Pbaer3087
20.10.2021 •
Mathematics
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)
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Ответ:
11.20
Step-by-step explanation:
Multiply both equations by 100:
19.99=1999
8.79=879
1999-879=1120
Divide by 100:
1120/100=11.20 saved