Double integral - What are the upper and lower bounds?

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SUMMARY

The discussion clarifies the concept of upper and lower bounds in double integrals, emphasizing that the upper limit is always the larger value, whether more positive or less negative. Specifically, for the y integration limits, the expression -e^x < -1 indicates that -1 is the upper limit of integration due to it being less negative. This understanding is crucial for correctly setting up double integrals in calculus.

PREREQUISITES
  • Understanding of double integrals in calculus
  • Familiarity with the concept of limits in integration
  • Basic knowledge of exponential functions, specifically e^x
  • Ability to interpret mathematical inequalities
NEXT STEPS
  • Study the properties of double integrals in calculus
  • Learn how to determine limits of integration for various functions
  • Explore the application of exponential functions in integration
  • Practice solving double integrals with varying bounds
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Students and educators in mathematics, particularly those focusing on calculus and integration techniques, as well as anyone looking to deepen their understanding of double integrals and their bounds.

gtfitzpatrick
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Homework Statement
What are the upper and lower bounds?
Relevant Equations
see picture
241600

Cant get my head around the order of the upper and lower bounds for this, Is it always the higher take away the lower?
 
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I can't get my head around the problem statement -- please type
 
gtfitzpatrick said:
View attachment 241600
Cant get my head around the order of the upper and lower bounds for this, Is it always the higher take away the lower?
The upper limit is always the larger value (i.e., more positive or less negative. For the limits on the y integration, ##-e^x < -1##, so -1 is the less negative value, and you are correct to put it at the upper limit of integration.

Also, in the future, if you post an image, please take care to post it in the correct orientation. A lot of members here don't like to have to crane their heads 90° to be able to read an image.
 

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