alisonlebron15
20.07.2019 •
Mathematics
Let f(x)=x*2+2x-1 and g(x)=2x-4 find 2f(x)-3g(x)
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Ответ:
2f(x)=2*(x²+2x-1)=2x²+4x-2
3g(x)=3(2x-4)=6x-12
2f(x)-3g(x)=(2x²+4x-2) - (6x-12)= 2x²+4x-2 - 6x+12 =2x²-2x +10
2f(x)-3g(x) = 2x²-2x +10
Ответ:
answer is A
Step-by-step explanation:
A. 24/6 x 10
B. 24/10 x 6
C. 6/10 x 24
D. 6/24 x 10