supermkimbrel
18.11.2020 •
Mathematics
1. Which of the following relations are functions?
I. y = -x + 3
II. X = y + 3
III. X - y = 3
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Ответ:
That’s is the answer
Ответ:
x² - 2x - 35
Step-by-step explanation:
x₁ = -5
x₂ = 7
-5 * 7 = -35
5 - 7 = -2
x² - 2x - 35 = 0
(x - 7)(x + 5) = 0
x - 7 = 0
x₁ = 7
x + 5 = 0
x₂ = -5