8. Наименьшее значение функции y = ax2 +bx + c
равно 7, при x = -2 . При х=0 значение функции
равно 15. Найдите коэффициенты a, b, с.
A) a=2; b=7; c=13
C) a=2; b=8; c=15
E) a=3; b=7; c=15
B) a=1; b=8; c=12
D) a=3; b=8; c=15
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