Answer: C
y=-5cos(x) is the graphed equation. Cos(x) starts at (0,0) and one period is 2pi or 6.28 and by cos(x) multiplied by -5 starts the cosine wave at (0,-5) and thus corresponds to the graphed equation shown.
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Answer:
-1/10
I'm sure this answer is right.
Use the formula M= rise/run.
Then you will get this answer.
The answer is option D, 4 bracelets/per hour
