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3) f(x)=-x+5 4) f(x)=x-2 5) f(x)=1/2x+4 6) f(x)=1,5x-3 7) f(x)=-x-4

3 Fxx5 4 Fxx2 5 Fx12x4 6 Fx15x3 7 Fxx4 class=