Answer:
D -6 is an integer
Step-by-step explanation:
An integer is a whole even or odd number :)
A like would wold help me :)
✍︎ꕥᴍᴀᴛʜᴅᴇᴍᴏɴǫᴜᴇᴇɴꕥ
✍︎ꕥᴄᴀʀʀʏᴏɴʟᴇᴀʀɴɪɴɢꕥ
( - infinity, -3 ] [ -2, infinity )
square bracket means it includes the end point.
(-∞, -3]U [-2,∞)