Question

Solve the inequality and graph the solution.
1≤
n/2
–1
To draw a ray, plot an endpoint and select an arrow. Select an endpoint to change it from closed to open. Select the middle of the ray to delete it.

Answer 1

Solve: 1 ≤ n/2 − 1

Add 1 to both sides: 2 ≤ n/2
Multiply both sides by 2 (positive, so inequality direction stays): 4 ≤ n

So n ≥ 4. In interval notation: [4, ∞).

Graph: a closed dot at 4 with a ray (arrow) extending to the right.