F(x)=x²+2x-1 and g(x)=2x-4 <span>2f(x)-3g(x)=?
</span>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
<em>2f(x)-3g(x) = 2x²-2x +10</em>
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Answer:
14
Step-by-step explanation:
268/4=67
So, x=67y.
938/67=14
Answer:
-78
Step-by-step explanation:
f(x) = -22 + 8x
f(-7) = -22 + 8 (-7)
= -22 + -56
= -78