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 BillPrentice Hall Algebra 1 • Extra Practice
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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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