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fenix001 [56]
3 years ago
9

Can someone help me​

Mathematics
2 answers:
kogti [31]3 years ago
4 0

Answer:

B

Step-by-step explanation:

Hoochie [10]3 years ago
3 0

Answer:

C

Step-by-step explanation:

i had the test last year, just looked back on it

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Answer:

f(x) = 3 cos2(x) − 6 sin(x), 0 ≤ x ≤ 2π

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(c) 1. Find the inflection points

Please see second image attached

Points,

(x,y) = (2.50673, -2.66882)

(x,y) = (4.14456, 3.79382)

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2. Find the interval on which f is concave up.

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3. Find the interval on which f is concave down.

x ∈ (2.50673, 4.14456) ∪ (5.28022, 2π]

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