Answer :
A) 2+b ≥ 2 ----> b ≥ 0
"b" may equal to 4.
B) 3b ≤ 14
for b=4 ; 12 ≤ 14 ---> It is true.
So "b" may equal to 4.
C) 8-b ≤ 15
8-15 ≤ b
-7 ≤ b
"b" may equal to 4.
D) b-3 ≥ 5
b ≥ 3+5
b ≥ 8
b cant equal to 4.
"b" may equal to 4.
B) 3b ≤ 14
for b=4 ; 12 ≤ 14 ---> It is true.
So "b" may equal to 4.
C) 8-b ≤ 15
8-15 ≤ b
-7 ≤ b
"b" may equal to 4.
D) b-3 ≥ 5
b ≥ 3+5
b ≥ 8
b cant equal to 4.