y = f(x) = 6x-8
f(0) = 6·0-8 = 0-8 = -8
f(1) = 6·1-8 = 6-8 = -2
f(-1) = 6·(-1)-8 = -6-8 = -14
f(x)=0; 6x-8=0 |+8; 6x=8 |÷6; x=
f(x)=2; 6x-8=2 |+8; 6x=10 |÷6; x=
f(x)=-2; 6x-8=-2 |+8; 6x=6 |÷6; x=1
y = f(x) = 6x-8
f(0) = 6·0-8 = 0-8 = -8
f(1) = 6·1-8 = 6-8 = -2
f(-1) = 6·(-1)-8 = -6-8 = -14
f(x)=0; 6x-8=0 |+8; 6x=8 |÷6; x=
f(x)=2; 6x-8=2 |+8; 6x=10 |÷6; x=
f(x)=-2; 6x-8=-2 |+8; 6x=6 |÷6; x=1