On the number line, to indicate the solution for \( x \geq -1 \) and \( x < 4 \):
- For \( x \geq -1 \): You would place a closed circle at -1 to indicate that -1 is included in the solution set.
- For \( x < 4 \): You would place an open circle at 4 to indicate that 4 is not included in the solution set.
So the answer would be:
-1 and 4