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byerskm2
 2 years ago
Sketch the points given. Use rectangles to estimate the distance traveled by the rocket over the first 120 seconds as directed.
(a) ... using 3 subintervals of equal width and the midpoint for sample points.
http://i48.tinypic.com/65ac1e.jpg
byerskm2
 2 years ago
Sketch the points given. Use rectangles to estimate the distance traveled by the rocket over the first 120 seconds as directed. (a) ... using 3 subintervals of equal width and the midpoint for sample points. http://i48.tinypic.com/65ac1e.jpg

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byerskm2
 2 years ago
Best ResponseYou've already chosen the best response.0I tried using the rieman sum midpoint but I keep getting it wrong!!!!

satellite73
 2 years ago
Best ResponseYou've already chosen the best response.1how are you supposed to divide 140 in to three sub intervals? got me.

satellite73
 2 years ago
Best ResponseYou've already chosen the best response.1i guess each has length of \(46\tfrac{2}{3}\) and you take the midpoint so first sample point would be at \(23\tfrac{1}{3}\)

byerskm2
 2 years ago
Best ResponseYou've already chosen the best response.0you just ignore the 140 I guess

satellite73
 2 years ago
Best ResponseYou've already chosen the best response.1well that makes it easier

satellite73
 2 years ago
Best ResponseYou've already chosen the best response.1no one third of 120 is 40

byerskm2
 2 years ago
Best ResponseYou've already chosen the best response.0oh crap I thought it was four intervals

satellite73
 2 years ago
Best ResponseYou've already chosen the best response.1one interval would be \([0,40]\) next would be \([40,80]\) and last would be \([80,120]\) you would sample as \(20,60,100\)

byerskm2
 2 years ago
Best ResponseYou've already chosen the best response.0so it would be 40[ f(20)+f(60)+f(100)] ?

satellite73
 2 years ago
Best ResponseYou've already chosen the best response.1yes that should do it

byerskm2
 2 years ago
Best ResponseYou've already chosen the best response.0@satellite73 but it talks about rectangles so for each interval do I just do the X*y?

satellite73
 2 years ago
Best ResponseYou've already chosen the best response.1yes it is just rectangles, base times height

satellite73
 2 years ago
Best ResponseYou've already chosen the best response.1is the last 140,8 gone or something?

byerskm2
 2 years ago
Best ResponseYou've already chosen the best response.040[(2*20)+(4*20)+(8*20)]

byerskm2
 2 years ago
Best ResponseYou've already chosen the best response.0I don't know, but this is what I did using base times height

satellite73
 2 years ago
Best ResponseYou've already chosen the best response.1oh i see what you did wrong

satellite73
 2 years ago
Best ResponseYou've already chosen the best response.1the base if 40, the height is 2, 4 and 8 respectively

satellite73
 2 years ago
Best ResponseYou've already chosen the best response.1you wrote \(40[ f(20)+f(60)+f(100)]\)

satellite73
 2 years ago
Best ResponseYou've already chosen the best response.1that is correct, and \(f(20)=2,f(60)=4, f(100)=8\) so it should be \[40(2+4+8)\]

byerskm2
 2 years ago
Best ResponseYou've already chosen the best response.0OH _ wow. thanks :P I knew I was doing something too much
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