1)
-5<-4
f(x)=-2x+1
f(-5)=-2·(-5)+1=11
2)
-4 <-2<3
f(x)=-x²-7
f(-2)=(-5)²-7=25-18=7
3)
3 ≥3
f(x)=2
f(3)=2
4)
7,6 ≥3
f(7,6)=2
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Verified answer
1)
-5<-4
f(x)=-2x+1
f(-5)=-2·(-5)+1=11
2)
-4 <-2<3
f(x)=-x²-7
f(-2)=(-5)²-7=25-18=7
3)
3 ≥3
f(x)=2
f(3)=2
4)
7,6 ≥3
f(x)=2
f(7,6)=2