4

-4

2

-2

All real numbers

y≤0

y ≥ 0

x ≥ 0

{-7, -1}

{all real numbers}

{-1,0, 2}

{-7, -1, 9}

0

100

300

500

A

B

C

D

2x+3

2(x+3)

2(x-3)

2(x-3)

(2x-3)²

2x-3²

2x-3

2x²-3

(2x-3)²

2x-3²

2x-3

2x²-3

(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)

{-6, 14, 2, 28}

(-6,14), (0,32), (2,38), (4,44)

{-6, 0, 2, 4}

{14, 32, 38, 44}