Question

Which of the following inequalities does NOT contain the solution b = 4? A. 2 + b is greater than or equal to 2 B. 3b is less than or equal to 14 C. 8 - b is less than or equal to 15 D. b - 3 is greater than or equal to 5

Answer 1

D.  b-3 would be 1, which is not greater than or equal to 5

Answer 2

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.