1. (-1, 1)
2. {-1, 1}
3. [0, 1]
4. (0, 1)
{-1, 1}
1. c
2. c/2
3. 2c
4. 3c
2c
1. -1/ea
2. e-a
3. ea
4. none
-1/ea
1. {1}
2. (-1, 1)
3. {1, -1}
4. none of these
{1, -1}
1. 1
2. 0
3. e
4. none
1
1. [-1, 1]
2. {-1, 1}
3. {0}
4. none
{-1, 1}
1. (π, 4)
2. [-4, - π]
3. [-π, π]
4. [-4, 4]
[-4, - π]
1. Δ
2. 2Δ
3. ½ Δ
4. Δ2
2Δ
1. [1/2, 1]
2. [1/2, 1)
3. (1/2, 1]
4. (1/2, 1)
[1/2, 1)
1. e
2. e2
3. e3
4. -e
e2