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carlo123
04.02.2021 •
Mathematics
Questions à développement
#5 Jonathan et Maité vendent des mitaines qu'ils ont confectionnées. Pour Jonathan, le
matériel a coûté 233$ et il vend la paire de mitaines
21$. Maité vend 15$ la paire et son
matériel lui a coûté 107$
Combien de paires de mitaines Jonathan et Maîté devront-ils vendre pour gagner le
même montant d'argent? Quel sera ce montant?
Solved
Show answers
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Ответ:
1. y = f(8)
2. So for t which f'(t) > 0, the drug level in the bloodstream is increasing. And for t which f'(t) < 0, it is decreasing.
Step-by-step explanation:
The concentration of the drug in the bloodstream at t hours is:
y = f(t)
1. What is the concentration of the drug in the bloodstream at t= 8 hours?
At t hours, y = f(t)
So at 8 hours, y = f(8)
2. During what time interval is the drug level in the bloodstream increasing? Decreasing?
A function f(t) is increasing when
f'(t) > 0
And is decreasing when
f'(t) < 0
So for t which f'(t) > 0, the drug level in the bloodstream is increasing. And for t which f'(t) < 0, it is decreasing.