Test Bank For Precalculus - 22nd - 2022 All Chapters - 9780357456996.pdf

Ch.p2
FunctionspandpTheirpGraphs
2.1
Functions
1pDeterminepWhetherpapRelationpRepresentspapFunction
MULTIPLEpCHOICE.ppChooseptheponepalternativepthatpbestpcompletespthepstatementporpansw
erspthepquestion.
Determinepwhetherptheprelationprepresentspapfunction.pIfpitpispapfunction,pstatepthepdomainpa
ndprange.
1)
ppp

4p→p20
pp

6p→p30
8p→p40
10p→p50
A)pfunction
domain:p{4,p6,p8,p10}
range:p{20,p30,p40,p50}
B)pfunction
domain:{20,p30,p40,p50}
range:p{4,p6,p8,p10}
C)pnotpapfunction
2)
pp

Bob
Ann
Dave
pppppppp

carrots
peas
squash
A)pfunction
domain:p{Bob,pAnn,pDave}
range:p{carrots,ppeas,psquash}
B)pfunction
domain:p{carrots,ppeas,psquash}
range:p{Bob,pAnn,pDave}
C)pnotpapfunction
3)
pp

Bob
Ann
Dave
pppppppp

Ms.pLee
Mr.pBar

,A)pfunction
domain:p{Bob,pAnn,pDave}
range:p{Ms.pLee,pMr.pBar}
B)pfunction
domain:p{Ms.pLee,pMr.pBar}
range:p{Bob,pAnn,pDave}
C)pnotpapfunction
4)p{(-3,p6),p(0,p3),p(3,p-4),p(7,p-1)}
A)pfunction
domain:p{-3,p0,p3,p7}
range:p{6,p3,p-4,p-1}
B)pfunction
domain:p{6,p3,p-4,p-1}
range:p{-3,p0,p3,p7}
C)pnotpapfunction
5)p{(-1,p-4),p(-2,p-3),p(-2,p0),p(7,p3),p(23,p5)}
A)pfunction
domain:p{-1,p7,p-2,p23}
range:p{-4,p-3,p0,p3,p5}
B)pfunction
domain:p{-4,p-3,p0,p3,p5}
range:p{-1,p7,p-2,p23}
C)pnotpapfunction
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6)p{(-4,p19),p(-3,p12),p(0,p3),p(3,p12),p(5,p28)}
A)pfunction
domain:p{-4,p-3,p0,p3,p5}
range:p{19,p12,p3,p28}
B)pfunction
domain:p{19,p12,p3,p28}
range:p{-4,p-3,p0,p3,p5}
C)pnotpapfunction
7)p{(4.99,p6.49),p(4.999,p-6.5),p(5
3,p0),p(1.67,p-4)}
A)pfunction
domain:p{4.99,p4.999,p5
3,p1.67}
range:p{6.49,p-6.5,p0,p-4}
B)pfunction
domain:p{6.49,p-6.5,p0,p-4}

,range:p{4.99,p4.999,p5
3,p1.67}
C)pnotpapfunction
Determinepwhetherpthepequationpdefinespypaspapfunctionpofpx.
8)pyp=px3
A)pfunction
B)pnotpapfunction
9)pyp=p1
x
A)pfunction
B)pnotpapfunction
10)pyp=p|x|
A)pfunction
B)pnotpapfunction
11)py2p=p9p-px2
A)pfunction
B)pnotpapfunction
12)pyp=p±p1p-p9x
A)pfunction
B)pnotpapfunction
13)pxp=py2
A)pfunction
B)pnotpapfunction
14)py2p+pxp=p5
A)pfunction
B)pnotpapfunction
15)pyp=p3x2p-p5xp+p6
A)pfunction
B)pnotpapfunction
16)pyp=p3xp+p2
xp+p2
A)pfunction
B)pnotpapfunction
17)px2p-p4y2p=p1
A)pfunction
B)pnotpapfunction
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ppppppppppppppppppppppppp7thpEditionpSullivan

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18)pxp-p9yp=p3
A)pfunction
B)pnotpapfunction

, 19)p-7xp+px2p+p23p=py
A)pfunction
B)pnotpapfunction
2pFindpthepValuepofpapFunction
MULTIPLEpCHOICE.ppChooseptheponepalternativepthatpbestpcompletespthepstatementporpansw
erspthepquestion.
Findpthepvaluepforpthepfunction.
1)pFindpf(-4)pwhenpf(x)p=px2p-p3xp+p5.
A)p33
B)p23
C)p-1
D)p9
2)pFindpf(1)pwhenpf(x)p=px2p-p4
xp+p3pp.
A)p-p3
4
B)p5
4
C)p1
4
D)p3
2
3)pFindpf(-9)pwhenpf(x)p=p|x|-p6.
A)p3
B)p-15
C)p15
D)p-3
4)pFindpf(3)pwhenpf(x)p=px2p+p4x.
A)
21
B)p5
C)p2p5
D)
13
5)pFindpf(-x)pwhenpf(x)p=p3x2p-p4xp+p5.
A)p3x2p+p4xp+p5
B)p-3x2p+p4xp-p5
C)p3x2p+p4xp-p5
D)p-3x2p+p4xp+p5
6)pFindpf(-x)pwhenpf(x)p=p
x
x2p+p4
.