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1. Give me BRAINLEST!!! Plss:

   Explanation:

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2. a. 6

   Step-by-step explanation:

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3. The vertex is the minimum value

   The function is increasing when x<1

   The function is decreasing when x>1

   The domain of the function is all real numbers

   The range of the function is all numbers less than it equal to 0

   Step-by-step explanation:

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4. The vertex is the maximum value

   The function is increasing when x < -1

   The function is decreasing when x > -1

   The domain of the function is  all real numbers

   The range of the function is All numbers less than or equal to zero

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