solve inequality and graph

Question

3x-1≥11 or 3x+4≤4?

Answer 1

Step 1 :

(1)

The inequality .

Add 1 to each side.

Divide each side by 3.

Solution set is .

Graph :

Note that closed circle means 4 is including in the solution set.

Step 2 :

(2)

The inequality .

Subtract 4 from each side.

Divide each side by 3.

Solution set is .

Graph :

Note that closed circle means 0 is including in the solution set.

Solution :

(1) Solution set is .

(2) Solution set is .