Test Bank for Precalculus Graphs and Models a Right Triangle Approach 6th Edition Bittinger Beecher Ellenbogen Penna

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m m Bank for Precalculus Graphs and Models Right TriangleAppr
m m m m m m m m

oach 6th Edition Bittinger
m m m




CHAPTERm2 NAMEm

TESTmFORMm CLASS SCORE GRADEm
A

1. Determinemthemintervalsm ANSWERS
onmwhichmthemfunctionmis
: 1. a)
a) increasing,
b) decreasing,mand m b)
c) constant.
m c)




2. Graphmthemfunctionm fm(mx)m=m 3m m x2m.
Estimatemthemintervalsmonmwhic 2. Seemgraph.
hmthemfunctionmismincreasingmorm
decreasing,mandmestimate
anymrelativemmaximamormminima.




3. Usemamgraphingmcalculatormtomfindmthemintervalsmonmwhichmthe
functionm fm (x)m m x3m m2x2m ism increasingm orm decreasing,m andm findm any
3.mm
relativemmaximamormminima.

4. Themlengthmofmamrectangularmboardmgamemism 2 timesmthemwidth.m I
1 f
m

2
themboardmgamemismwmcmmwide,mexpressmthemperimetermasmamfuncti 4.mm
onmofmthemwidth.
5. Graph:
xm , form xm <m 2,
fm (mx)m=m x2m, form m 2m m xm m1, 5. Seemgraph.
m 3x, formxm>m1.



6.mm
m 3m m

6. FormthemfunctionminmExercisem5,mfin fm( 3)m, fm m ,m and fm(8)m
m4m
d .


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m m Bank for Precalculus Graphs and Models Right TriangleAppr
m m m m m m m m

oach 6th Edition Bittinger
m m m




CHAPTERm2 NAMEm

TESTmFORMm CLASS SCORE GRADEm
A
Copyrightm©2017mPearsonmEducation,mInc. 37




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,DOWNLOAD THE Test Bank for Precalculus Graphs and Models Right TriangleApproa
m m m m m m m m m m m

ch 6th Edition Bittinger
m m m




CHAPTERm2 NAMEm

TESTmFORMm
A

ANSWERS Givenmthat fm (x)m m x2m m2xmm and g(x)m ,mfindmeachmofmthe
4 9mm
following,mifmitmexists x
7.mm
.m7. (mfm mg)(5) 8.mm(mfm mg)(8)
8.mm

9.mm 9. (mfg)(7) 10.m (mfm /m gm)(0)

10.mm For fm(mx)m =m 2xm+m1m an g(mx)m ,mfindmeachmofmthemfollowing.
d = xm 3
11.mm
11. Themdomainmofmf 12.m Themdomainmofmg
12.mm
13. Themdomainmofm fm +m g 14.m Themdomainmofm fm m g
13.mm
15. Themdomainmofmfg fm /m g
14.mm 16.m Themdomainmof

15.mm 17. (f
m +m gm)( mx) 18. (f
m –m gm)( mx)

16.mm
19. ( fg )( x)
m m m 20.m (m /m gm)( mx)
17.mm f
Formeachmfunction,mconstructmandmsimplifymthemdifferentmquotient.
18.mm
3m
19.mm 21. fm (x)m   m xmm 22. fm (x)m m 6mm x2
5
20.mm 4
Givenmthat fm(x)mm2xm1 m g(x)m ,m andm h(x)m m x2m m3xmm4m,m find
, xmm
21.mm eachmofmthemfollowing 3
22.mm .m23. (mfm mg)(2) 24.m (gmmh)(6)
23.mm
25. (hmm fm )(3) 26.m (mfm m fm)(x)
24.mm
For fm(x)mm x and g(x) m m xmm3m:
25.mm 2


26.mm 28.mm
27.mm


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m m m m m m m m m m m

ch 6th Edition Bittinger m m m




CHAPTERm2 NAMEm

TESTmFORMm
A
27. Findm (mfm mg)(x)m and
m (gmm fm)(x)m.
28. Findmthemdomainmofm (mfm mg)(x)m andm (gmm fm)(x)m.


38 Copyrightm©2017mPearsonmEducation,mInc.




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