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16 February, 10:47

Over what interval is the graph of f (x) = - (x + 8) 2 - 1 decreasing?

(-8, 0)

(8,00)

(-2,8)

(-20, - 8)

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Answers (1)
  1. 16 February, 13:13
    0
    (-8, ∞)

    Step-by-step explanation:

    The coefficient of x^2 is negative so the graph rises from the left until x = - 8 and y = - 1.

    So it decreases from x = - 8 to x = infinity.
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