Posted by **Catalina** on Saturday, February 26, 2011 at 10:36pm.

Use a graphing calculator to graph f(x)=x^4-6x^3+11x^2-6x. Then use upper sums to approximate the area of the region in the first quadrant bounded by f and the x-axis using four subintervals.

- Calculus - typo? -
**MathMate**, Sunday, February 27, 2011 at 8:59am
The function is in the shape of a W with the middle of the W above the x-axis between x=1 and 2.

Subdivide the region into 4 subintervals and find the area using the technique you have learned in class, trapezoidal rule, Simpson's rule, integration, etc.

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