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Kazeer [188]
3 years ago
11

Where are the minimum and maximum values for f(x)=−2+4cosx on the interval [0,2π]?

Mathematics
1 answer:
Amanda [17]3 years ago
4 0

Answer:

f(x) =  - 2 + 4 \cos(x)  \\ for \: minimum \:  \: x = 0 \\ f(0) =  - 2 + 4 \cos(0)  \\ minimum \: value = 2 \\ for \: maximum \: value \:  \: x = 2\pi \\ f(2\pi) =  - 2 + 4 \cos(2\pi)  \\ maximum \: value =  - 2

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