Question

Write the following in interval form.

1. {x: x∈ R, -4 < x ≤ 6}

2. {x: x∈ R, 0 ≤ x < 7 }

3. {x: x∈ R, 3 ≤ x ≤ 4 } (1 score each)

Answer 1

1. (-4, 6]

2. [0, 7)

3. [3, 4]