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aijan200220
@aijan200220
July 2022
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2. Дана функция y = −x − x + 12
. a) Найдите значения функции f (3), f (−5) . Известно, что график функции проходит через точку (k;6). b) Найдите значение k.
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WALKER0202
а)
b)
A(k;6) k-?
D=1^2-4×1×(-6)
x1,2=-1+5/2
x1=-1-5/2=-3
x2=-1+5/2=2
x=k
Ответ: k1=-3; k2=2
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Answers & Comments
а)
b)
A(k;6) k-?
D=1^2-4×1×(-6)
x1,2=-1+5/2
x1=-1-5/2=-3
x2=-1+5/2=2
x=k
Ответ: k1=-3; k2=2