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14 September, 10:07

What is the Domain of the function y=square root x+4

A) - infinity < x < infinity

B) - 4 greater than or equal too x < infinity

C) 0 greater than or equal too x< infinity

D) 4 greater than or equal too x< infinity

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Answers (1)
  1. 14 September, 12:32
    0
    Since there is no real square root of a negative value:

    x+4≥0

    x≥-4, in interval notation:

    x=[-4, + oo)

    In words, x is greater than or equal to negative 4.
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