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anonymous

  • 5 years ago

f(x)=2/sqrt(2x-4) find the domain. explain.

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  1. anonymous
    • 5 years ago
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    x>2

  2. anonymous
    • 5 years ago
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    you can't get real numbers when u take the sqrt of of negative numbers so sqrt of (2x-4) has to be greater than or equal to 0 to get that we set 2x-4 = 0 x =2, so if x is 2 or more it is a real number. however 2/0 is undefined so it is everything greater than 2. the domain is (2, infty)

  3. anonymous
    • 5 years ago
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    or as melor said x>2

  4. anonymous
    • 5 years ago
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    thanks for the explanation =]

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