The first answer is correct.
It can be written as (-3, 2)
The endpoints are circles because |4 x -3 + 2| = 10 which is NOT < 10
and |4 x 2 + 2| = 10
Any values between -3 and 2 are valid
|4 x -2.9 + 2| = +9.6 which is less than 10
|4 x 1.5 + 2| = 8 which is less than 10
