-7 ≤ x < 5

-3 ≤ x < 1

-3 ≤ y < 1

-7 ≤ y < 5

A

B

C

D

{-7, -5, 2, 3, 7}

{-7, 7}

{1, 2, 3, 4, 5}

{1, 5}

A

B

C

D

A

B

C

D

(9,5) (10,5) (9,-5) (10,-5)

(3,4) (4,-3) (7,4) (3, 8)

(6,-5) (7, -3) (8, -1) (9, 1)

(2, -2) (5, 9) (5, -7) (1, 4)

Function

Not a Function

-∞≤y≤∞

-∞≤y≤∞

All Real Numbers

-∞<y<-∞

1≤ x ≤ 4

1 < x < 4

1≤ y ≤ 4

1 < y < 4

1 ≤ x ≤ 5

1 < x < 5

1 ≤ y ≤ 5

1 < y < 5