Here's the question you clicked on:
wesleyho
calculus ab question if the integral of x^2-2x+2 dx from 0,6 is approximated by three non-overlapping inscribed rectangles of equal width of two on the x-axis, then the approximation is? the answer is 26 but i have no idea how to do this
|dw:1357793667202:dw| assuming this picture roughly demonstrates your problem or a problem like yours how would you go about calculating the area of the 3 rectangles