1. f(x)=-3x+2
f(-1)=-3*(-1)+2=5
f(0)=0+2=2
f(-1)+f(0)=5+2=7
2. x=0; y=-2.
y=0; x=-5; -1; 4; 10
y>0 при x=(-5;-1); (4;10)
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1. f(x)=-3x+2
f(-1)=-3*(-1)+2=5
f(0)=0+2=2
f(-1)+f(0)=5+2=7
2. x=0; y=-2.
y=0; x=-5; -1; 4; 10
y>0 при x=(-5;-1); (4;10)