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√y+2≤3
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Solution
−2≤y≤7
+1
Interval Notation
[−2,7]
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Solution steps
Solve by:
One step at a time
√y+2≤3
Elevar ambos os lados ao quadrado
(√y+2)2≤32
Simplificar
y+2≤9
Mova 2para o lado direito
y≤7
Encontre pontos de singularidade
Encontrar valores não-negativos para radicais:y≥−2