anayamulay
29.07.2019 •
Mathematics
F(x)=x^2-2x-1 and g(x)=5x-1/7x-3 find f(x+7) and g(x/2)
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Ответ:
(x + 7)² - 2(x + 7) - 1
x² + 14x + 49 - 2x - 14 - 1
x² + 12x + 49 - 15
x² + 12x + 34
f(x + 7) = x² + 12x + 34
g(x/2)
5(x/2)² - 1/7(x/2) - 3
5(x²/4) - x/14 - 3
5x²/4 - x/14 - 3
g(x/2) = 5x²/4 - x/14 - 3
Ответ:
This is your teacher, I will be calling your parents. This is unacceptable.