krissy452
02.03.2021 •
Mathematics
F(x) = -2x²-2x+10, find f(2)
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Ответ:
f(2) = -2
Step-by-step explanation:
Substitute 2 everywhere you see an x so f(2) = -2(
) - 2(2) + 10 so
f(2) = -2(4) - 4 + 10, so f(2) = -8-4+10, f(2) = -12+10, f(2) = -2
Ответ:
-6/7(5/4)=4/5(5/4)z
-30/28=20/20z
-15/14=z