套全真模拟题400道题有答案test

考场座位 考场座位 学 2012—2013学年度第二学期高二国际第一次SAT2命题：审题：本试卷分二部分12页；满100分；考试用时60注：1。卷面不整洁的考生，从总分中减去1-2分后记入得2．高二A41-50题必做，高二B41-50选作第ⅠForeachofthefollowingproblems,decidewhichistheBESTofthechoicesgiven.Iftheexactnumericalvalueisnotoneofthechoices,selectthechoicethatbestapproximatesthisvalue.Thenfillinthecorrespondingovalontheanswersheet.AunitvectorparalleltovectorV=(2,-3,6)is(- ,-(6,-32(-0.43,- 0.43,- (-0.36,- 1.08Whatistheequationofthehorizontalasymptotethefunctionf(x)=y=-y=-y=y=y=ThepointsintherectangularcoordinatenearetransformedinsuchawaythateachpointA(x,y)ismovedtoapointA'(kx,ky).IfthedistancebetweenapointAandtheoriginisd,thenthedistancebetweentheoriginandthepointA'isdAcommitteeof5peopleistobeselectedfrom6menand9women.Iftheselectionismaderandomly,whatistheprobabilitythatthecommitteeconsists3menand2Threeconsecutiveterms,inorder,ofanarithmeticsequencearex+√2,2x+√3and5x-√5.ThenxequalsThegraphofxy-4x-2y-4=0canbeasasetofparametricequations.Ifyx=f(t),thenf(t)t+ (B)t- (D)t-(E)t-

Iff(x)=ax2+bx+c,howmustaandbbesothatthegraphoff(x-3)willbesymmetricaboutthey-axis?a=b=O,aisanyrealb=b=a=Thegraphofy=log5xandy=ln0.5xintersectatapointwherexequalsWhatisthevalueofxif ≤x≤andsinx=5cosx?Theareaoftheregionenclosedbythegraphofthepolarcurver=andthex-andy-axesisArectangularboxhasdimensionsoflength=6,width=4,andheight=5.ThemeasureoftheangleformedbyadiagonaloftheboxwiththebaseoftheboxisIff(x)=2lnx3andg(x)=ex,thenf(g(39 off(x)= containswhichthefollowing0≤x (B)-(C)0<x (D)-(E)-Whichofthefollowingistheratioofthesurfaceareaofthespherewithradiusrtoitsvolume?4r3rr4(D)Ifthetwosolutionsofx2-9x+c=0arecomplexconjugates,whichofthefollowingdescribesallpossiblevaluesofc?c=c<c<c4c>Iftanx=3,thenumericalvalueof Inthefigureabove,thegraphofy=f(x)hastwotransformationsperformedonit.Firstitisrotated180oabouttheorigin,andthenitisreflectedaboutthex-axis.Whichofthefollowingistheequationoftheresultingcurve?y=-y=f(x+2x=f(yy=f(xnoneofthe18.013Thesetofpoints(x,y,z)suchthatx=5aaaaaTheverticaldistancebetweentheminimumumvaluesofthefunctiony=｜−√2sin√3x｜Iftheoff(x)=-｜x｜+2is{x:- x≤f(x)hasaminimumvaluewhenx-013isnominimumWhatistherangeofthefunctionf(x)=x2-14x+43?x<x>y<- allrealApositiverationalrootoftheequation4x3-x2+16x-4=0isi12ThenormofvectorV=

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Iffivecoinsareflippedandallthedifferentwaystheycouldfallarelisted,howmanyelementsofthislistwillcontainmorethanthreeheads?56Theseventhtermofanarithmeticsequenceis5andthetwelfthtermis-15.ThefirsttermofthissequenceisThegraphofthecurverepresented isaaanalineaportionofaPoint(3,2)liesonthegraphoftheinverseoff(x)=2x3+x+A.ThevalueofAisIff(x)=ax2+bx+candf(l)=3andf(-l)=3,thena+cequals0236In B=42o,∠C=30o,andAB=100.lengthofBCIf4sinx+3=00n0≤x<2,thenx0.8480r3.9900rWhatistheoftheinfinitegeometric6+4+8/3++ThereisnoIfthecenterofthecirclex2y2+axby+2=0ispoint(4,-8),thena+b=-48Ifp(x)=3x2+9x+7andp(a)=2,thenaonlyonly-0.7360r0.7360r--0.7360r-Ifiisarootofx4+2x3-3x2+2x-4=0,theproductoftherealrootsis-024IfsinA=5

,A,cosB3

,270o≤B≤360o,sin(A+B)Ifafamilyhasthreechildren,whatistheprobabilitythatatleastoneisaboy?Ifsec1.4=x,findthevalueofcsc(2Arctan39Thegraphofy1x1formsanX.ThetwobranchesoftheXintersectatapointwhosecoordinatesareForwhatvalueofxbetween0oand360odoescos2x=2cosx?68.5ooronly103.9oor90oor111.5o0rForwhatvalue(s)ofxwillthegraphofthefunctionf(x)=sinhavea (A)Foreachpositiveintegern,let=thesumofpositiveintegerslessthanorequalton.ThenIfthegraphsof3+4-6x+8y-5=0=4(y+2)aredrawnonthesamecoordinatesystem;athowmanypointsdotheyintersect?(A)(B)(C)(D)(E)If=issatisfiedbytwovaluesofx,whatistheirsum?0Whichofthefollowinglinesareasymptotes3x2−thegraphofyx=-x=y=IIIIandIandI,II,and

x2−Ifand0o≤≤180o, 0oor0oorIff(x,y)=2x2−y2andg(x)=2x,whichoneofthefollowingisequalt022x?Twopositivenumbers,aandb,areinthe4,a,b,12.Thefirstthreenumbersformageometricsequence,andthelastthreenumbersformanarithmeticsequence.Thedifferenceb-aequals123Asectorofacirclehasanarclengthof2.4feetandanareaof14.3squarefeet.Howmanydegreesareinthecentralangle?Duringtheyear1995thepriceofABCstockincreasedby125%,andduringtheyear1996th