A.\(\mathop {\max }\limits_{x \in \left[ {0;2} \right]} y = 0\)
B.\(\mathop {\max }\limits_{x \in \left[ {0;2} \right]} y = 2\)
C.\(\mathop {\max }\limits_{x \in \left[ {0;2} \right]} y =  - 2\)
D.\(\mathop {\max }\limits_{x \in \left[ {0;2} \right]} y = 1\)

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