Unit 2 Practice Test Answers - potterwhs.weebly.com€¦ · Unit 2 Practice Test Answers Target 2a...
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Unit 2 Practice Test Answers Target 2a You can graph these on your calculator in order to check your answers Target 2b − 3 2 − 1 − 3 −2 + 3 −2 + 1 ! + 4 − + 3 + 1 − + 2 − 1 −3 + 4 − ! − 2 1 2 + 3 ! − 5 − 2 − 3 − 1 4 ! − − 3 + 2 − 4 − − 2 ! + 3 + 4 3 + 1 4 ! − 6 Target 2c 1. Relation: A set of ordered pairs , 2. Domain: The inputs ( values) of a relation 3. Range: The outputs ( values) of a relation 4. Function: A special relation in which each input has a single output 5. No. Suppose = 4, then = ±2 6. Yes. The square root implies only positive outputs, so each is associated with just one 7. Not a function Domain: −3, ∞ Range: All Real Numbers Yes it’s a function Domain: All Real Numbers Range: −5, 5 Not a function Domain: −1, ∞ Range: −∞, 3 Yes it’s a function Domain: All Real Numbers Range: 3 Not a function Domain: 2 Range: All Real Numbers Not a function Domain: −4, −3, −2, −1, 1 Range: −4, 2, 3, 4, 5, 6 Yes it’s a function Domain: All Real Numbers Range: −∞, −1 ∪ 1 ∪ 2, ∞ Yes it’s a function Domain: NA Range: −2, 2
Transcript of Unit 2 Practice Test Answers - potterwhs.weebly.com€¦ · Unit 2 Practice Test Answers Target 2a...
Unit2PracticeTestAnswersTarget2a
YoucangraphtheseonyourcalculatorinordertocheckyouranswersTarget2b
𝑥 − 3
2 𝑥 − 1 − 3
−2𝑥 + 3
−2 𝑥 + 1 ! + 4
− 𝑥 + 3+ 1
−𝑥
𝑥 + 2 − 1
−3 𝑥 + 4
−𝑥! − 2
12 𝑥 + 3 ! − 5
𝑥 − 2− 3
−14 𝑥
!
− 𝑥 − 3 + 2
𝑥 − 4
− 𝑥 − 2 ! + 3
𝑥 + 4
3 𝑥 + 1
4𝑥! − 6
Target2c
1. Relation:Asetoforderedpairs 𝑥, 𝑦
2. Domain:Theinputs(𝑥values)ofarelation
3. Range:Theoutputs(𝑦values)ofarelation
4. Function:Aspecialrelationinwhicheachinputhasasingleoutput
5. No.Suppose𝑥 = 4,then𝑦 = ±2
6. Yes.Thesquarerootimpliesonlypositiveoutputs,soeach𝑥isassociatedwithjustone𝑦
7. Notafunction Domain: −3, ∞ Range:AllRealNumbers
Yesit’safunction Domain:AllRealNumbers Range: −5, 5
Notafunction Domain: −1, ∞ Range: −∞, 3
Yesit’safunction Domain:AllRealNumbers Range: 3
Notafunction Domain: 2 Range:AllRealNumbers
Notafunction Domain: −4,−3,−2,−1, 1 Range: −4, 2, 3, 4, 5, 6
Yesit’safunction Domain:AllRealNumbers Range: −∞,−1 ∪ 1 ∪ 2, ∞
Yesit’safunction Domain:NA Range: −2, 2
Notafunction Domain: −5, 4.5 Range: −3, 2
Notafunction Domain: −5, 5 Range: −5, 5
Yes,it’safunction Domain: 2, 3, 4, 5, 6 Range: 2, 3, 6
1. 6
2. −2
3. −2
4. 18
5. 8
6. 0 𝑎𝑛𝑑 2
7. !!
8. 1
9. 106
10. −3 𝑎𝑛𝑑 5
11. 1
12. −2 𝑎𝑛𝑑 8
13. 2 𝑎𝑛𝑑 4
14. AllRealNumbers
15. −∞, 4
16. AllRealNumbers
Target2d
1. 2𝑥! − 3𝑥 − 2
2. 𝑥 + 3
3. 3𝑥 − 1
4. 𝑥! − 4𝑥! + 7𝑥 − 6
5. −𝑥! + 4𝑥 − 2
6. 2𝑥 −1
7. 𝑥! − 6𝑥 + 11
8. 4𝑥! + 2
9. 𝑥! − 6𝑥! + 12𝑥 − 8
10. 𝑥! − 2𝑥! + 3
11. 3
12. 8
13. 27
14. 6
Target2e
1. 2
3Right
4Down
2. 1
5Left
3Up
3. 3
1Right
0
Thegraphwouldbeflippedvertically
4. 4
8Down
5. Thegraphwouldbecompressed
verticallybyafactorof4
