Write the summation to estimate the area under the curve y = 1 + x^2 from x = –1 to x = 2 using 3 rectangles and right endpoints.

Question

anonymous · Answer

anonymous · Answer

@zzr0ck3r

zzr0ck3r · Answer

so where will out summation start?

zzr0ck3r · Answer

remember we go to the right of the first interval

zzr0ck3r · Answer

the intervals here are -1,0

0,1

1,2

anonymous · Answer

Would we not need to divide into four intervals? That's what I got from you from the other posts.

anonymous · Answer

Three rectangles = three intervals

anonymous · Answer

I feel stupid....thanks @SithsAndGiggles

anonymous · Answer

So can you also explain the right or left endpoints? My AP Calc teacher last year never taught us anything like this.

anonymous · Answer

Sure. I found I learned it best with a visual representation (which I'll be doing in parts for color-coding purposes)
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