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29.10.2020 •
Mathematics
Find the critical numbers of the function. f(x) = x3 + 6x2 – 135x ,
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Ответ:
Step-by-step explanation:
First, simplify into the parts given by sum of ratio values.
90cm / 15 = 6 cm
(a) longest piece
= 7 x 6 = 42 cm
(b) difference between longest and shortest
shortest = 3 x 6 = 18 cm
Difference = 42 - 18 = 24 cm