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Bella82
@Bella82
July 2022
1
9
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y(x)=2x+5
верны ли равенства:
y(-3)=-1, y(-1/2)=6, y(7)=19, y(-2)=1
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подкожного
У (-3)=2×(-3)+5=-6+5=(-1)-верно
у (-1/2)=2×(-1/2)+5=-1+5=4;у (-1/2)=6-неверно
у (7)=2×7+5=14+5=19-верно
у (-2)=2×(-2)+5=-4+5=1- верно
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Answers & Comments
у (-1/2)=2×(-1/2)+5=-1+5=4;у (-1/2)=6-неверно
у (7)=2×7+5=14+5=19-верно
у (-2)=2×(-2)+5=-4+5=1- верно