December 2018 1 88 Report
Proszę o pomoc z ekstremy funkcji

W ciągu ośmiogodzinnego dnia roboczego wydajność pracy robotnika w(t) mierzona w jednostkach wyrobu na godzinę wyraża się wzorem
w(t) = 200 + 81t - 9t² - t³

W którym momencie wydajność pracy tego robotnika jest największa?

Która z poniższych wypowiedzi jest prawdziwa?

Wybierz jedną odpowiedź:
1) po t=2 godzinach
2) inna odpowiedź
3) Pracownik wyprodukuje 493 sztuki towaru na godzinę.
4) po t=9 godzinach
5) po t=3 godzinach
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