1. 2
2. 1/e
3. 1
4. 3
1
1. z
2. 2z
3. 0
4. -z
0
1. -1
2. 1
3. -1/2
4. 1/2
1/2
1. x
2. y
3. 2y-1
4. y-2
x
1. log 2/3
2. log 4/3
3. log 8/3
4. log 1/4
log 4/3
1. 3π/128
2. 3π/ 256
3. 3π/ 572
4. 3π/ 64
3π/ 256
1. 248
2. 242.5
3. 242.8
4. 243
248
1. {1,-1}
2. {x : 0 ≤ x ≤ 4}
3. {1}
4. {x : -4 ≤ x ≤ 0}
{1,-1}
1. 1
2. 2
3. 3
4. 4
3
1. 1
2. 2
3. 3
4. 4
1