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Thread: Ranges of function f(x)?

  1. February 2nd 2008, 04:35 AM #1
    looi76
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    Ranges of function f(x)?

    Find the ranges of this function f(x), defined over the largest possible domains.
    x^2 + x + 1
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  2. February 2nd 2008, 05:29 AM #2
    curvature
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    Quote Originally Posted by looi76 View Post
    Find the ranges of this function f(x), defined over the largest possible domains.
    x^2 + x + 1
    Try to find the minimum of f(x) .
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  3. February 2nd 2008, 05:39 AM #3
    Sean12345
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    x^2+x+1=(x+0.5)^2+0.75
    \implies f(x)\in \mathbb{R}, f(x)\geq 0.75
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