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25 February, 22:44

Use the drop-down menus to describe the key aspects of the function f (x) = - x2 - 2x - 1. the vertex is the. the function is increasing. the function is decreasing. the domain of the function is. the range of the function is.

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  1. 25 February, 23:39
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    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 0.

    Don't worry, all those answers are correct, I just did it on edugenity. <33 work hard guys.
  2. 25 February, 23:43
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    F (x) = - (x + 2x + 1)

    f (x) = - (x + 1) ^2

    The vertex is (-1, 0)

    The function is increasing in the interval (-∞, - 1]

    The function is decreasing in the interval [-1, ∞)

    The domain of the function is all real numbers.

    The range of the function is {f (x) : f (x) ∈ (-∞, - 1]}
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