<span>D(F)=(-∞;3]
F(-3)=-(-3)²=-9
F(1)= -1;
F(2)=2-2=0
E(F)= (-∞;1]
cм на графике
</span>
X0=2,y0=-1
y`(x0)=tga=tg(arctg3)=3
y=-1+3(x-2)=-1+3x-6=3x-7
y=-8/x y=2-x
-8/x=2-x ОДЗ: x≠0
-8=x(2-x)
-8=2x-![x^{2}](https://tex.z-dn.net/?f=x%5E%7B2%7D)
-2x-8=0
![\left \{ {{x_{1}+ x_{2} = 2} \atop{x_{1} *}x_{2} =-8 \right.](https://tex.z-dn.net/?f=%5Cleft+%5C%7B+%7B%7Bx_%7B1%7D%2B+x_%7B2%7D+%3D+2%7D+%5Catop%7Bx_%7B1%7D+%2A%7Dx_%7B2%7D+%3D-8+%C2%A0%5Cright.)
= 4
= -2
= -2
= 4
y=-8/x ∩ y=2-x = A (4;-2), B(-2;4)
<span><span /><span><span>
3,
-18,
-15;
</span><span>-1,
7,
6;
</span><span>0,
-2,
-2
</span></span></span>;