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somebodyplshalp
@somebodyplshalp
August 2022
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А1. Функция задана формулой y=3x²-5. Найдите: a) y ( -2 ) б) у ( 0 ) в) у ( 1 ) г) у ( 5 )
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Санечка69
Verified answer
y = 3x² - 5
у(-2) = 3 · (-2)² - 5 = 3 · 4 - 5 = 7
у(0) = 3
· 0² - 5 = - 5
у(1) = 3
· 1² - 5 = 3 - 5 = -2
у(5) = 3
· 5² - 5 = 3 · 25 - 5 = 70
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Answers & Comments
Verified answer
y = 3x² - 5у(-2) = 3 · (-2)² - 5 = 3 · 4 - 5 = 7
у(0) = 3 · 0² - 5 = - 5
у(1) = 3 · 1² - 5 = 3 - 5 = -2
у(5) = 3 · 5² - 5 = 3 · 25 - 5 = 70