The answers are:
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[A]: f(x) = -8 ; AND:
[B]: f(x) = -3 .
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Answer:
The amplitude is 
Step-by-step explanation:
Let f(x) be a sinusoid function that has the following format:

Then b is the amplitude of the function
h is the vertical displacement of the wave
s is the phase angle
is the period.
In this problem 
Then 
Therefore the amplitude of the function is 
The amplitude is a measure of the vertical size of the sinx wave
Max sprints forward 10 feet (+10), and then stop and sprints back 15 feet (-15)
10 - 15 = -5
max is five feet below where he started
Answer:
87.5%
Step-by-step explanation:
The answer is c c is the only right question