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anonymous

  • one year ago

Find an approximation to the integral S^2 on the bottom 0, (x2 − 6x) dx using a Riemann sum with right endpoints and n=8 Please help, Im really confused!

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  1. beginnersmind
    • one year ago
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    Do you mean? |dw:1435983015287:dw|

  2. freckles
    • one year ago
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    oh this was 3 hours ago @gaba are you here ?

  3. anonymous
    • one year ago
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    yeah I still need help! lol

  4. freckles
    • one year ago
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    ok

  5. freckles
    • one year ago
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    |dw:1435988297604:dw| this is what the parabola looks like roughly on the interval [0,2]

  6. freckles
    • one year ago
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    we want 8 rectangles so that means (2-0)/8 is the length of the base of each rectangle

  7. freckles
    • one year ago
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    that is 1/4

  8. anonymous
    • one year ago
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    yeah thats all i was able to get

  9. freckles
    • one year ago
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    |dw:1435988376038:dw|

  10. freckles
    • one year ago
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    now we want to use right endpoint rule

  11. freckles
    • one year ago
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    that means we want to start drawing our rectangles starting from the right-endpoint til we have 8 rectangles all with equal base length of 1/4

  12. freckles
    • one year ago
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    |dw:1435988469859:dw|