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anonymous

  • 5 years ago

I need help. You are given four points in the place A=(5,5), B=(9,-2), C=(12,2) and D=(17,-2). The graph of the function f(x) consists of three line segments, AB, BC, and CD. Evaluate the integral f(5,17)f(x)dx by interpreting it in terms of signed area. Find it using high school geometry.

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  1. amistre64
    • 5 years ago
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    if I see it right, your just making a bunch of trapaziodal areas... its practice for the trapazoidal rule....

  2. amistre64
    • 5 years ago
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    (1/2)(f(x0) + f(xn) +2(f(a)+f(b)+f(c))) I think is how it goes... something to do with (b-a)/n as well

  3. amistre64
    • 5 years ago
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    but thats the calculus stuff, they want you to see it with geomtry eyes :)

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