1)

D:all real no.

Correct
R:all real no.

Correct
2)

D:all real no.

Correct
R:all real no.

Incorrect
3)

D:all real no. except 2

Correct
R: all real no.

Incorrect
4)

D:x<=4

Correct
R:all real no.

Correct
5)

D:-5<=x>=5

Incorrect
R:all real no.

Incorrect
6)

D:-2<=x<=2

Correct
R:0<=y<=2

Incorrect
7)

D:-1<=x>=1

Correct
R: all real no.

Correct
8)

D:all real no.

Correct
R:all real no.

Correct
9)

D:all real no. except zero

Correct
R:all real no. except zero

Correct
10)

D:x not = 2

Correct
R:y not = 1

Incorrect
(If any are wrong tell me which one and try solving it for me )

Thank you