Iterated integral

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https://webwork.elearning.ubc.ca/webwork2_files/tmp/MATH200-ALL_2014W1//gif/G7FDHYKMT809-3725-setAssignment9prob2image1.png [Broken]

How can I find the lower bound for an iterated integral in this case?

My attempt:

y = (-5/4)x+5 (which represents the line)

But it doesn't work.
 
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  • #2
FactChecker
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Why do you say it doesn't work? That is the equation of the lower line.
 
  • #3
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I am confused too. = (
an_zps5ad1ce20.jpg

only c is wrong.
 
  • #4
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but y = (-5/4)x+5 is only applicable till y = 2.5 though.
 
  • #5
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Maybe they're looking for -1.25 for the slope instead of -5/4.
 
  • #6
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Maybe they're looking for -1.25 for the slope instead of -5/4.
Tried both ways. = (
 
  • #7
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It looks to me like that one corner point is at (2, 2), not (2, 2.5). That would make the equation of the line y = -x + 4.
 
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  • #8
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What tells you that it is wrong? Is the final value of the integral wrong or do you get an error message? Do you need a multiplication sign (-5/4)*x+5?
 
  • #9
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It looks to me like that one corner point is at (2, 2), not (2, 2.5). That would make the equation of the line y = -x + 4.
thanks bro
 

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