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Study Guide, Chapter 8
Course 1 • Chapter 8 Functions and Inequalities191
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Write the correct answer in the blank at the right of each question.
1. Which of the numbers 4, 5, or 6 is a solution of x + 7 12?
2. Complete the table.
Find the rule for each function table.
3.4. 5.
Write an inequality to represent each situation. Then graph the inequality.
6. The decorations cost more than $12.
7. Children ages 6 and under qualify for free admission.
Solve each inequality. Then graph the solution on a number line.
8. 16 m – 17
9. d+ 12 ≤ 22
10. 5x ≥ 75
11. 12
12. Julian wants to spend no more than $1,250 on his trip. The airfare is $358. Write and solve an inequality to find the maximum amount he can spend on the rest of his trip.
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Course 1 • Chapter 8 Functions and Inequalities191
NAME______DATE______PERIOD______
Study Guide, Chapter 8(continued)
UsethetablebelowforExercises13and14.
13.Usewordsandsymbolstodescribethevalueofeachtermasafunctionofitsposition.
14.Findthevalueofthesixteenthterminthesequence.
Writeanequationtorepresentthefunction.
15.
16.
UsethefollowinginformationforExercises17-20.Agiraffecaneatabout75poundsofvegetationeveryday.
17.Writeanequationtofindp,thenumberofpoundsofvegetationagiraffeeatsinddays.
18.Makeatabletoshowtherelationshipbetweenthenumberofpoundspagiraffeeatsinddays.
19.GraphtheorderedpairsfromthetableinExercise18.
20.AnalyzethegraphinExercise19.
Grapheachequation.
21.y=x+1
22.y=2x
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192Course1•Chapter8FunctionsandInequalities