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Danger28
@Danger28
August 2022
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У(х)=7х во 2 степени+3х-4 найти у(-2)
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LFP
Verified answer
Нужно просто подставить -2 вместо х в выражение
7x^2 + 3x - 4 и вычислить...
7*(-2)*(-2) + 3*(-2) - 4 = 28 - 6 - 4 = 18
у(-2) = 18
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Answers & Comments
Verified answer
Нужно просто подставить -2 вместо х в выражение7x^2 + 3x - 4 и вычислить...
7*(-2)*(-2) + 3*(-2) - 4 = 28 - 6 - 4 = 18
у(-2) = 18