Question

✓ 1234Graph the set {xx2-1) on the number line.Then, write the set using interval notation.-7-6-5-4-3-2-11 2 3x ≥-1=045 6(0,0)

Answer 1

`\lbrace x\lvert x\ge-1\rbrace`

Given set: x greater than or equal to -1

The interval includes -1 and all the values greater than -1, to graph it put a full point in the -1 and draw an arrow to the the right of -1:

Interval notation:

`\lbrack-1,\infty)`