sibr4566
24.08.2021 •
Mathematics
The range of f(-2)=? f(2)=?
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Ответ:
- 7
Step-by-step explanation:
21 = - 4x - 7
- 4x - 7 = 21
- 4x = 21 + 7
- 4x = 28
x = 28 / - 4
x = - 7