maria241432
01.10.2019 •
Mathematics
If f(x)=2x^2 and g(x)=x^2-1, find (f-g)(x)
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Ответ:
A
Step-by-step explanation:
(f - g)(x) = f(x) - g(x)
f(x) - g(x)
= 2x² + 2 - (x² - 1) ← distribute
= 2x² + 2 - x² + 1 ← collect like terms
= x² + 3 → A
Ответ:
x squared over 8 minus y squared over 8 equals 1
step-by-step explanation: