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Mathematics, 27.07.2019 05:30 gobbler80

What is the range of y=3cosx-1? a) -4 ≤ x ≤ 4 b) -4 ≤ x ≤ 2 c) -3 ≤ x ≤ 3 d) -2 ≤ x ≤ 0

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What is the range of y=3cosx-1? a) -4 ≤ x ≤ 4 b) -4 ≤ x ≤ 2 c) -3 ≤ x ≤ 3 d) -2 ≤ x ≤ 0...
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