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Настюша15022000
@Настюша15022000
August 2021
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inblu
Verified answer
Y(x)=-2x-3
1) y(1)=-2*1-3=-2-3=-5
y(-1)=-2*(-1)-3=2-3=-1
y(0)=-2*0-3=0-3=-3
y(-1/2)=-2*(-1/2)-3=1-3=-2
2)
-2x-3=1
-2x=4
x=-4/2=-2
-2x-3=-1
-2x=2
x=-2/2=-1
-2x-3=0
-2x=3
x=-3/2=-1.5
3) -2x-3<0
-2x<3
x>-3/2
x>-1.5
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Answers & Comments
Verified answer
Y(x)=-2x-31) y(1)=-2*1-3=-2-3=-5
y(-1)=-2*(-1)-3=2-3=-1
y(0)=-2*0-3=0-3=-3
y(-1/2)=-2*(-1/2)-3=1-3=-2
2)
-2x-3=1
-2x=4
x=-4/2=-2
-2x-3=-1
-2x=2
x=-2/2=-1
-2x-3=0
-2x=3
x=-3/2=-1.5
3) -2x-3<0
-2x<3
x>-3/2
x>-1.5