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Math Help - Given f(x)=3x^2-4

  1. #1
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    Smile Given f(x)=3x^2-4

    Given f(x)=3x^2-4, find F(x) "upside down A "FOR ALL" " x epsilon [x,3] if F(0) = 0

    a. 17
    b. 0
    c. 19
    d. 4.32
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  2. #2
    MHF Contributor Mathstud28's Avatar
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    Quote Originally Posted by shanniepooh2 View Post
    Given f(x)=3x^2-4, find F(x) \forall{x}\in[x,3] if F(0)=0

    a. 17
    b. 0
    c. 19
    d. 4.32
    This makes no sense? Is this the full question?
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  3. #3
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    Quote Originally Posted by Mathstud28 View Post
    This makes no sense? Is this the full question?
    f(x)=3x^2-4, "upside down A "FOR ALL" " x epsilon [2,3] if F(0) = 0

    I Accidently place an x instead of a 2 and the "for all" and the x are seperate
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  4. #4
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    Please see the previous reply... I accidently place an x instead of a 2 as an integer..
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  5. #5
    MHF Contributor Mathstud28's Avatar
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    Quote Originally Posted by shanniepooh2 View Post
    f(x)=3x^2-4, "upside down A "FOR ALL" " x epsilon [2,3] if F(0) = 0

    I Accidently place an x instead of a 2 and the "for all" and the x are seperate
    Just compute \int_2^{3}\bigg[3x^2-4\bigg]~dx
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  6. #6
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    I was reading Mathstud28's method and decided to try it, but I got 15 as my answer, which is not a choice.

    Did I do something wrong?
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