Name

Class


Date

Chapter 4

Extra Practice

Lesson 4-1

Match each graph with its related table. Explain your answers.

1. / / A. /
2. / / B. /
3. / / C. /

Sketch a graph to describe each situation. Label each section of the graph.

4.thenumberofapplesonatreeoveroneyear

5.theamountofmilkinyourbowlasyoueatcereal

6.theenergyyouuseina24-hperiod

7.yourdistancefromhomeplateafteryourhomerun

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Name

Class

Date

Chapter 4

Extra Practice(continued)

Lesson 4-2

8. Forthediagrambelow,findtherelationshipbetweenthenumberofshapesandthe perimeter of the figure they form. Represent this relationship using a table, words, an equation, and a graph.

For each table, determine whether the relationship is a function. Then represent the relationship using words, an equation, and a graph.

9. / Rainfall / 10. / Paint in Can / 11. / Grocery Bill

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Name


Class


Date

Chapter 4

Extra Practice (continued)

Lesson 4-3

Graph the function shown by each table. Tell whether the function is linear or nonlinear.

12. / / 13. / / 14. /

Each set of ordered pairs represents a function. Write a rule that represents the function.

15.

16. (0,0),(1,–3),(2, –12),(3, –27),(4, –48)

Lesson 4-4

Graph each function.

17. y =2x +118. y =4 –x

Make a table of values and graph each function.

19. Thefunctionf(x) = 175 + x represents the amount of money in a savings account that started with $175 after a deposit of x dollars.

20. Thefunctionf(x) = 4xrepresentsthe perimeter of a square with side length x.

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Name

Class


Date

Chapter 4

Extra Practice(continued)

Lesson 4-5

Write a function rule that represents each sentence. Then find the value of y for the given value of x.

21.yis4morethantheproductof7andx;x=3

22.yis11lessthanofx;x =72

23.6.5morethanthequotientofxand4isy;x =7

Write a function rule for each situation.

24.thecircumferenceofacircleC(r)whenyouknowtheradiusr

25.theareaofa100-yard-longfieldA(w)whenyouknowthewidthw

26.thedistanceruninfeetD(m)whenyouknowthedistanceinmilesm

Lesson 4-6

Find the range of each function when the domain is {–4, –1, 0, 3}.

27.y = 6x – 528. y =|x|– 229. y = –x2–x

Use a mapping diagram to determine whether each relation is a function.

30. {(1,2),(2,3),(3,4),(4,5),(5,6)}31. {(5,2),(1,3),(4,7),(5,6),(0,4)}

Evaluate each function rule to find the range for the domain {1, 4, 9}.

32.Thefunctionf(x)=20–xrepresentstheamountofchangeyoureceive after paying for an item that costs x dollars with a $20 bill.

33.Thefunctionf(x)=x2representstheareaofasquarewithasidelengthofx.

Find a reasonable domain and range for the function. Then graph the function.

34.Afruitpunchrecipecallsfor5ouncesofpineapplejuiceinevery quart of punch. The function p(q) = 5q representsthe amount of pineapple juice p(q), in ounces, needed

to make q quarts of fruit punch. You have a large punch bowl that can hold 8 quarts.

Lesson 4-7

Find the second and fifth terms of each sequence.

35. A(n)=22+(n–1)1136. A(n) = –2 + (n–1)(–2)

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