Step-by-step explanation:
according to the graph, the correct answer is:
possitive : (-1, 2) and (6, oo)
negative : (-oo, -1) and (2, 6)
<em>Answer:</em>
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<em>Step-by-step explanation:</em>
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<em>Distribute the Negative Sign:</em>
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<em>Combine Like Terms:</em>
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<em>Hope this helped you!</em>
There both 4 and there are the 4th number
|sin(x)−sin(y)|=|2sin(x−y2)cos(x+y2)|≤|2sin(x−y2)|