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Math Help - Finding the area under a curve

  1. #1
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    Finding the area under a curve

    Some of my homework questions say 'find the area under the curve (insert function here) and the x axis.' I know how to integrate and all, but what do I do when they don't give you boundaries?
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  2. #2
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    Find the x-intercepts of the function, which give bounded regions between the x-axis and the curve. i.e solve f(x) = 0 and use these x-values for the limits when you integrate.
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  3. #3
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    duh. lol thanks i completely forgot about the x intercepts!
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