1. (3/4,∞)
2. (-∞,-3/4)
3. (-3/4, 3/4)
4. [ -3/4, 3/4]
(-∞,-3/4)
1. 3/5
2. 4/5
3. 2/5
4. 1/5
1/5
1. positive
2. negative
3. Non negative
4. can not be determined
negative
1. 1/5
2. 2/5
3. 3/5
4. 4/5
3/5
1. 2
2. a>3
3. -3
4. a
a<-2
1. 3/16
2. 5/16
3. 7/16
4. 9/16
7/16
1. 45/256
2. 120/256
3. 63/256
4. 30/256
63/256
1. b2c
2. b2-c
3. c+b2
4. c-b2
c+b2
1. A-3,B-1,C-5,D-2
2. A-3,B-1,C-5,D-4
3. A-3,B-5,C-1,D-2
4. A-4,B-3,C-5,D-1
A-3,B-1,C-5,D-4
1. 1/3
2. 2/3
3. 1/2
4. 1/4
1/3