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Math Help - domain

  1. #1
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    domain

    f^-1(x) =1/4 * e^(x/3)

    what is the domain of f^-1
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by mathseek View Post
    f^-1(x) =1/4 * e^(x/3)

    what is the domain of f^-1
    the domain is the set of all x values for which the function is defined. so what x-values are we allowed to plug into this function? what is the domain of the exponential function?
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  3. #3
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    Dear mathseek,

    domain means all the x value where the function is defined. It's easier usually to search where the function ISN'T defined.

    So the questions: What number cann't you divide by 3 or what number cann't you put up as exponent or what number cann't you multiply by (1/4)?
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