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anonymous

  • 5 years ago

The area of the region between the graph y=3x^2+2x and the x axis from x=1 to x=3 is?

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  1. anonymous
    • 5 years ago
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    integrate top curve minus bottom curve. the bottom curve is the x axis itself (y=0). the top curve is probably 3x^2 + 2x, so integral 3x^2 + 2x - 0

  2. dumbcow
    • 5 years ago
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    use power rule here for integrating x^n = n*x^n-1

  3. anonymous
    • 5 years ago
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    what about the x=1 and x=3?

  4. anonymous
    • 5 years ago
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    thats the upper and lower limits

  5. anonymous
    • 5 years ago
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    so i plug that in and add them both or subtract?

  6. anonymous
    • 5 years ago
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    You have to draw a rough draft to get an idea what you are doing.

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