Suppose that a element J has decimal expansion 17:3491400238:::, so that f(a) = 4.

Can you name delta > 0 such that /f(x)f(a)/ < 1 for all x element J such that /x-a/ < delta ? the answer for delta is 1/10^8 but dont know how to prove it?

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- Nov 27th 2011, 10:00 AMsbacon1991decimal expansion
Suppose that a element J has decimal expansion 17:3491400238:::, so that f(a) = 4.

Can you name delta > 0 such that /f(x)f(a)/ < 1 for all x element J such that /x-a/ < delta ? the answer for delta is 1/10^8 but dont know how to prove it? - Nov 27th 2011, 11:25 PMCaptainBlackRe: decimal expansion