If x is a real number, then the solution of inequality 3x + 1 < 5x + 7 is :
A. (- ∞, 3)
B. (- 3,∞)
C. (3, ∞)
D. None of these.
Answer:B
If x is a real number, then the solution of inequality 3x + 1 < 5x + 7 is :
A. (- ∞, 3) B. (- 3,∞) C. (3, ∞) D. None of these.