Question

Which one of the following graphs represents the solution of the inequality 2x + 1 ≥ 3?A.-3-2-1 0 123B.++-3-2-1 0123-3-2-1 0 123-3-2-1 0 1 2 3OC.OD.

Answer 1

The inequality given is:

$2x+1\ge3$

Let's solve for x:

$\begin{gathered} 2x\ge3-1 \\ . \\ x\ge\frac{2}{2} \\ . \\ x\ge1 \end{gathered}$

The solution set of this inequality is the set of all numbers bigger or equal than 1.

Thus, the correct answer is option A, where we can see that the values start at 1 and goes to positive infinity.