What is the Range of y=x+1/x for 0<x≤1?

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SUMMARY

The range of the function y = x + 1/x for the domain 0 < x ≤ 1 is determined by evaluating the limits and behavior of the function within this interval. As x approaches 0 from the right, y approaches infinity, while at x = 1, y equals 2. The function is decreasing throughout the interval, confirming that the range is (2, ∞). Calculus techniques, such as finding limits, are essential for a thorough understanding of this problem.

PREREQUISITES
  • Understanding of the function y = x + 1/x
  • Basic knowledge of limits in calculus
  • Familiarity with the concept of function behavior over an interval
  • Ability to analyze decreasing functions
NEXT STEPS
  • Learn about limits and continuity in calculus
  • Study the properties of decreasing functions
  • Explore the concept of asymptotes in relation to function behavior
  • Investigate the application of derivatives to find extrema
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Students studying calculus, mathematics educators, and anyone interested in understanding the behavior of rational functions within specified domains.

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Homework Statement


Hello, I'm having some trouble with the following problem:

Solve y = x+[tex]\frac{1}{x}[/tex] for 0 < x [tex]\leq[/tex] 1

Homework Equations



y = x+[tex]\frac{1}{x}[/tex] for 0 < x [tex]\leq[/tex] 1

The Attempt at a Solution



I am not sure on how to start. I've spent a lot of time thinking about how to this problem, but have had no luck. The only thing comes to mind is that y = [tex]\frac{x}{x}[/tex] + [tex]\frac{1}{x}[/tex] = 1. This solution seems to trivial; I would greatly appreciate any help.

Thank you.
 
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I'll assume the question instead means find the range of the function for the domain 0<x<1.

Are you allowed to use calculus?

I would start by finding the limit of y as x approaches 0+ and find y when x=1. If you can't use calculus then it will probably suffice to just explain that as x increases in that interval, y is always decreasing. This is enough information to give the range.
 

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