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HELP me with this problem. ​

NO LINKS!!! HELP me with this problem. ​-example-1

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10 votes

Answer:

B) Least 10 hours, greatest 14 hours

Explanation:

The range of sin(x) is -1 ≤ sin(x) ≤ 1

Therefore, the range of
\sin((\pi )/(6)t) is
-1\leq \sin((\pi )/(6)t)\leq 1

Therefore, the range of
2 \sin((\pi )/(6)t) is
-2\leq 2 \sin((\pi )/(6)t)\leq 2

This means the range of
2 \sin((\pi )/(6)t)+12 is
10\leq 2 \sin((\pi )/(6)t)+12\leq 14

User Sposnjak
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