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Alg. I Functions
供稿人: Crouch
(原作者: Bemis)

What kind of test can be used

to determine whether the

graph is a function

Side Line Test

 Vertical Line Test

Straight Line Test

Horizontal Line Test

This is the graph of a Function

False

 True
 True
The graph pictured is a function

False

The collection of points shown is a function

True

 False
The lines graphed are considered a function
 True

False

Determine whether the corrospondence

from x to y is a function

Function

3

x

5
7
9

Not a Function

y

a
b
d
e

c

Determine whether the corrospondence

from x to y is a function

1

x

2

3

4

5

-2

-9

y

7

8

 Function

Not a Function

Not a Function

{ (-4,3) , (-3,2) , (-2,1) , (-1,0) , (0,-1)}

Determine whether the

set of points is a function

 Function
{ (0,0) , (1,2) , (3,6) , (-2,-4) , (-3,-6)}
What is the Domain of the function?

 D: {yly = -6,-4,0,2,6}

 D: {xlx = -6,-4,0,2,6}

 D: {xlx = -3,-2,0,1,3}

 D: {yly = -3,-2,0,1,3}

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