Let f : [0, 00) → R be a monotone function. Prove that lim f(x) = L for some number L if and only if ƒ is bounded. (When we say that ƒ is bounded, we mean that the image f([0, 00)) is a bounded set.)

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Let f : [0, 00) → R be a monotone function. Prove that lim f(x) = L for some number
L if and only if ƒ is bounded. (When we say that ƒ is bounded, we mean that the
image f([0, 00)) is a bounded set.)
Transcribed Image Text:Let f : [0, 00) → R be a monotone function. Prove that lim f(x) = L for some number L if and only if ƒ is bounded. (When we say that ƒ is bounded, we mean that the image f([0, 00)) is a bounded set.)
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