Can you explain the inequalities in exponential functions?

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SUMMARY

The inequalities in exponential functions, specifically 1-exp(-μt) ≤ μt and (1-exp(-μt))exp(-λt) ≥ μt - (μ²t²/2)(1-λt), are established facts in mathematical analysis. These inequalities arise from the properties of exponential decay and Taylor series expansions. The first inequality demonstrates the bounded nature of the exponential function, while the second illustrates the relationship between two exponential decay rates, μ and λ. Understanding these inequalities is crucial for applications in probability and statistics, particularly in modeling decay processes.

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  • Familiarity with Taylor series expansions
  • Basic knowledge of inequalities in mathematical analysis
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stukbv
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Hello, could somebody please explain to me how

1-exp(-μt) ≤ μt

and similarly

(1-exp(-μt))exp(-λt) ≥ μt-μ2t2\2)(1-λt)

Thanks a lot
 
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You haven't said what you want explained...
 
Sorry, I just want to know why they're true, they are in my lecture notes and I can't work out why we know these inequalities hold.
 

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