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Math Help - Domain of the function Question

  1. #1
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    Domain of the function Question

    How do I solve this problem. I ask because how to you get hid of the Square root?

    The domain of the function f(x) = sqrt(3x-59) is all real numbers in the interval [A, infinitiy) where A equals ______
    I'm not even sure what it is asking me to do.
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  2. #2
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    Quote Originally Posted by killasnake View Post
    How do I solve this problem. I ask because how to you get hid of the Square root?



    I'm not even sure what it is asking me to do.
    You need it to be,
    3x-59>=0 (remember square roots of non-negative numbers)

    Thus,
    3x>=59
    Thus,
    x>=59/3
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  3. #3
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    ohhhhh DUH this is basic math. never hurts to brush up on it

    Thank you!
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