x is in-between -1 and 1, so let's put x = -1 and x = 1 into the equation and see what values of a and b we can get:
When x = -1,
[tex]\begin{gathered} a<5x+3When x = 1,[tex]\begin{gathered} a<5(1)+3From the two equations
we can see that it is inbetween -2 and 8, so a would be -2 and b would be 8