posted by Catalina .
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.
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.