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09.04.2021 •
Mathematics
Find f(3.5) if f(x) = (4x - 2)/10
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Ответ:
C. x=2
Step-by-step explanation:
-3(x-4)=2x+4-x
-3x+12=x+4
+3x +3x
12=4x+4
-4 -4
8=4x
-- ---
4 4
x=2