Question

Which of the following is not an equivalent form of the compound inequality
x - 1 < -12 or x + 12 > 10

a) x < -11 or x > -2

b) A number line with an open circle on -11, shading to the left, and an open circle on -2, shading to the right.

c) A number line with an open circle on -11, an open circle on -2, and shading in between.

d) x > -2 or x < -11