Ф(-3)=(-3-6)/(-3+4)=-9/1=-9
Ф(6)=(6-6)/(6+4)=0/10=0
Ф(0)=(0-6)/(0+4)=-6/4=-1.5
А) 4а"2"-4а+3а"2"+4=Ищем подобные =7a"2"- 4а+4
![1-\frac{6}{x}>\frac{2}{1-x} \\\\1-\frac{6}{x}>\frac{2}{1-x}\\\\\frac{x-6}{x}-\frac{2}{1-x}>0\\\\\frac{x-x^{2}-6+6x-2x }{x(1-x)}>0\\\\\frac{-x^{2} +5x-6}{x(1-x)} >0\\\\\frac{x^{2}-5x+6 }{x(x-1)}>0\\\\x(x-2)(x-3)(x-1)>0](https://tex.z-dn.net/?f=1-%5Cfrac%7B6%7D%7Bx%7D%3E%5Cfrac%7B2%7D%7B1-x%7D%20%5C%5C%5C%5C1-%5Cfrac%7B6%7D%7Bx%7D%3E%5Cfrac%7B2%7D%7B1-x%7D%5C%5C%5C%5C%5Cfrac%7Bx-6%7D%7Bx%7D-%5Cfrac%7B2%7D%7B1-x%7D%3E0%5C%5C%5C%5C%5Cfrac%7Bx-x%5E%7B2%7D-6%2B6x-2x%20%7D%7Bx%281-x%29%7D%3E0%5C%5C%5C%5C%5Cfrac%7B-x%5E%7B2%7D%20%2B5x-6%7D%7Bx%281-x%29%7D%20%3E0%5C%5C%5C%5C%5Cfrac%7Bx%5E%7B2%7D-5x%2B6%20%7D%7Bx%28x-1%29%7D%3E0%5C%5C%5C%5Cx%28x-2%29%28x-3%29%28x-1%29%3E0)
+ - + - +
_______₀_________₀__________₀_________₀_______
0 1 2 3
x ∈ (- ∞ ; 0) ∪ (1 ; 2) ∪ (3 ; + ∞)
Центр окр. (0;0) радиус =17 ( 64+225=289)
<span>РАСПОЛОЖЕНИЕ ТОЧЕК ВЫЧИСЛЯЙТЕ САМОСТОЯТЕЛЬНО. ИЛИ СТРОЙТЕ.. . ПО КЛЕТОЧКАМ.... </span>