Dubbio Funzioni 5 -Forum Studenti

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Dubbio Funzioni 5 -Forum Studenti

Dubbio Funzioni 5

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Lethal Dosage_88: Affezionato frequentatore; Messaggi:35; Iscritto il:domenica 23 dicembre 2007, 20:55

Dubbio Funzioni 5

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Messaggioda Lethal Dosage_88 » domenica 23 dicembre 2007, 21:05

Buonasera professore,
ho un dubbio riguardo all'esercizio numero 6 di Funzioni 5.
Si chiede la controimmagine di xe^x quando f(x) varia in (-1/e,e).
Lei come risposta indica (-infin , -1) U (-1,1).
Formalmente Ã¨ corretta anche la risposta (-inf,1)??
Grazie in anticipo e Buone feste!!

Massimo Gobbino: Amministratore del Sito; Messaggi:2298; Iscritto il:lunedì 29 novembre 2004, 19:00; Località:Pisa; Contatta:
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Re: Dubbio Funzioni 5

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Messaggioda Massimo Gobbino » mercoledì 2 gennaio 2008, 9:12

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