Elementary and intermediate algebra algebra within reach 6th edition ron larson test bank

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Lar_EIA_6e_ch07sec01 MULTIPLE CHOICE 1. Find the domain of the rational function.

a. b. c. d. e.

ANS: A PTS: 1 DIF: Easy OBJ: Identify the domain of a rational function NOT: Section 7.1

REF: 7.1.1 MSC: Concept

2. Find the domain of the rational function.

a. b. c. d. e.

ANS: A PTS: 1 DIF: Easy OBJ: Identify the domain of a rational function NOT: Section 7.1 3. Find the domain of the rational function.

a. b. c. d.

REF: 7.1.3 MSC: Concept

e.

ANS: B PTS: 1 DIF: Easy OBJ: Identify the domain of a rational function NOT: Section 7.1

REF: 7.1.10 MSC: Concept

4. Find the domain of the rational function.

a. b. c. d. e.

ANS: E PTS: 1 DIF: Easy OBJ: Identify the domain of a rational function NOT: Section 7.1

REF: 7.1.11 MSC: Concept

5. Find the domain of the rational function.

a. b. c. d. e.

ANS: B PTS: 1 DIF: Easy OBJ: Identify the domain of a rational function NOT: Section 7.1 6. Find the domain of the rational function.

a. b. c.

REF: 7.1.16 MSC: Concept

d. e.

ANS: E PTS: 1 DIF: Easy OBJ: Identify the domain of a rational function NOT: Section 7.1 7. Evaluate the rational function

at

REF: 7.1.20 MSC: Concept

and simplify. If this is not possible, state the

reason. a. b. c. d. e.

85 55 6 42 undefined

ANS: D PTS: 1 DIF: Easy OBJ: Evaluate a rational function at a specified value NOT: Section 7.1 8. Evaluate the rational function

at

REF: 7.1.23b MSC: Skill

and simplify. If this is not possible, state the

reason. a. b. c. d. e.

0 –13 4 –104 undefined

ANS: E PTS: 1 DIF: Easy OBJ: Evaluate a rational function at a specified value NOT: Section 7.1 9. The average cost

REF: 7.1.23c MSC: Skill

for a manufacturer to produce x units of a product is given by

Describe the domain. a. b. c. d. e.

all all all all integers all

ANS: D PTS: 1 DIF: Easy REF: 7.1.32 OBJ: Identify the domain of a rational function in cost applications MSC: Application NOT: Section 7.1 10. Simplify the rational expression.

.

a. b. c. d. e.

ANS: B PTS: 1 OBJ: Simplify a rational expression

DIF: Medium MSC: Skill

REF: 7.1.49 NOT: Section 7.1

DIF: Medium MSC: Skill

REF: 7.1.54 NOT: Section 7.1

11. Simplify the rational expression.

a. b. c. d. e.

ANS: B PTS: 1 OBJ: Simplify a rational expression 12. Simplify the rational expression.

a. b. c. d.

e.

ANS: D PTS: 1 OBJ: Simplify a rational expression

DIF: Medium MSC: Skill

REF: 7.1.57 NOT: Section 7.1

DIF: Medium MSC: Skill

REF: 7.1.61 NOT: Section 7.1

13. Simplify the rational expression.

a. b. c.

d. e.

ANS: C PTS: 1 OBJ: Simplify a rational expression