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Free Exam: Domain and Range

Number of Questions in Test: 20
Number of Questions in Preview: 5
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Question 1

Martin earns $7.50 per hour proofreading ads at a local newspaper. His weekly wage [color=green](w)[/color] can be described by the equation [color=red]w=7.5h[/color], where [color=green]h[/color] is the number of hours worked. Write the equation in [color=blue]function notation form f(h)[/color].

Type: Free text
Points: 1

Question 2

If f(x)=2x-6, find the value for f(2).

Type: Free text
Points: 1

Question 3

[img]http://t1.gstatic.com/images?q=tbn:witFkE9zgBNJ2M:http://upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Ceiling_function.svg/600px-Ceiling_function.svg.png[/img]
Is this a function?

Type: Multiple choice
Points: 1
Randomize answers: Yes

Question 4

[img]http://t2.gstatic.com/images?q=tbn:YKPG_U2wOKrSRM:http://www.algebra.com/cgi-bin/plot-formula.mpl%3Fexpression%3Dgraph(300%252C300%252C-5%252C5%252C-5%252C5%252C(x)%255E2)%26x%3D0003[/img]
If the vertex of this graph was translated down 2 units, what would be the new range of the translated function?

Type: Multiple choice
Points: 2
Randomize answers: Yes

Question 5

[img]http://t3.gstatic.com/images?q=tbn:JtZ_azsfi3fo1M:http://www.algebra.com/cgi-bin/plot-formula.mpl%3Fexpression%3Dgraph(300%252C300%252C-5%252C5%252C-5%252C5%252C2x%252B1)%26x%3D0003[/img]
The graph above shows y=x+1
What is the range of this function when x≥0?

Type: Multiple choice
Points: 2
Randomize answers: Yes

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