X|-2|0|0|0,5|-0,5|2|
y|-8|0|0|2|||||-2||||8|
1) y= 4*(-2)
y= -8
2)0=4x
x=0
3)y= 4*0
y=0
4) y=4*0,5
y=2
5)-2= 4x
x=-0,5
6)y=4*2
y=8
-5(0.6*2-1.2)-1.5*2-3=-5(1.2-1.2)-3-3=-5-3-3=-11
<span> (1,2x-4)(1,2x+4)-(1,3x-2)(1,3x+2)=0,5x(8-0,5x)
(1,2х)²-4²-( (1,3х)²-2²)=0,5х·8-(0,5х)²
1,44х²-16-1,69х²+4=4х-0,25х²
4х=-12
х=-3
</span>
1) log₅0,04∨-2
log₅1/25∨-2
log₅5⁻²≡-2
2) lg0,01∨-2
lg10⁻²≡-2