Let f(x)=1/(1+x)(adsbygoogle = window.adsbygoogle || []).push({});

Use the Mean Value Theorom (for the derivative of a function) to prove that f(x)>=1-x for x>=0

also

Mean Value Theorom states:

[f(b)-f(a)]/ [b-a]= f'(c) where c is an element of [a,b]

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# Homework Help: Mean Value Theorom

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