Match each of the function definitions on the left with the corresponding table on the right.

It may help to circle or highlight what’s changing in the fx$\displaystyle f(x)$ column of the table!

Function Definitions Example Tables

fx=x-2$\displaystyle f(x)=x-2$

1

A

x$\displaystyle x$ fx$\displaystyle f(x)$

1

2 × 1$\displaystyle 2 \times 1$

2

2 × 2$\displaystyle 2 \times 2$

3

2 × 3$\displaystyle 2 \times 3$

fx=2x$\displaystyle f(x)=2x$

2

B

x$\displaystyle x$ fx$\displaystyle f(x)$

15

15 - 2$\displaystyle 15 - 2$

25

25 - 2$\displaystyle 25 - 2$

35

35 - 2$\displaystyle 35 - 2$

fx=2x+1$\displaystyle f(x)=2x+1$

3

C

x$\displaystyle x$ fx$\displaystyle f(x)$

10

2 + 10$\displaystyle 2 + 10$

15

2 + 15$\displaystyle 2 + 15$

20

2 + 20$\displaystyle 2 + 20$

fx=1-2x$\displaystyle f(x)=1-2x$

4

D

x$\displaystyle x$ fx$\displaystyle f(x)$

0

1 - 20$\displaystyle 1 - 2(0)$

1

1 - 21$\displaystyle 1 - 2(1)$

2

1 - 22$\displaystyle 1 - 2(2)$

fx=2+x$\displaystyle f(x)=2+x$

5

E

x$\displaystyle x$ fx$\displaystyle f(x)$

10

210 + 1$\displaystyle 2(10) + 1$

20

220 + 1$\displaystyle 2(20) + 1$

30

230 + 1$\displaystyle 2(30) + 1$

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