2017年SAT2真题

12017SAT21.If,0125.0hthenhh1)1(20125.0A025.1B2C0125.2D125.2E2.If,183)(2tttfthen)2()3(ff7A4B3C4D7E3.Atotalof500ticketsweresoldforaschoolplay,generatingtotalsalesof$1700.Ifticketscost$4foradultsand$2forchildren,howmanyadultticketsweresold?83A150B283C350D425E4.Whatisthegreatestintegervalueofnsuchthat?200321n17A18B19C20D21E5.If92x,whichofthefollowingcouldequal?3x4A7B8C10D11E6.Inthefigureabove,themeasureofBis48and10AB.Whatisthelengthof?BC6.7A9.0B5.13C9.14D0.20E7.Whatistheradiusofaspherewhosevolumeis8.75cubiccentimeters?cmA1.0cmB6.2cmC3.2cmD8.3cmE5.68.Ifyx2and4yz，thenzx8A4B2C41D81E29.Forwhichofthefollowingfunctionsis?)4()2(ffxxfA2)(2)(xxfB2)3()(xxfC2)3()(xxfD4)(xxfE10.Inthe),9(,kplanexyisapointonthegraphofxxf3)(.Whatisthevalueof?k2A27B729C6561D19683E100,10,5,111.Iftwodistinctnumbersarechosenatrandomfromthesetabove,whatistheprobabilitythattheirsumwillbegreaterthan？1000.17A0.33B0.50C0.67D0.83E12.Astoresetsthepriceofanitemascostoftheitemplusapercentmarkup.Ifthestore’scostforacentainitemis$120andthestoresetspriceoftheitemat$174,whatisthepercentmarkup?31%A45%B54%C69%D145%E13.Intheplanexy,twolines,landn,areperpendicular.Iftheequationoflineliscxy4,whichofthefollowingcouldbetheequationofline?ncxyA4cxyB14cxyC4cxyD4cxyE414.Threepairsofgloves-aredpair,abluepair,andagreenpairareinadrawer.Ifglovesareremovedatrandomwithoutreturninganytothedrawer,whatistheminimumnumberthatmustberemovedinordertoguaranteehavingamatchedpairofgloves?ATwoBThreeCFourDFiveESix315.Whichofthefollowingisanequationofthegraphinthefigureabove?2)4()(xxfA4)(xxfB4)(xxfC4)(xxfD4)(xxfE16.Thefrontandbackfacesofarectangularcratehave10squaremeterseach.Thetopandbottomfaceshavearea30squaremeterseach,andtheremainingtwofaceshavearea12squaremeterseach.Thecratetakesupxcubicmetersofspaceinafreightcar.Whatisthevalueof?x13A52B60C2197D3600E227,9,6,417.Thefirstfourtermsofageometricsequenceareshown.Whichofthefollowingcanbeusedtogeneratethenthtermofthesequencefor?1n1)23(nA1)23(4nBnC)23(4)1(24nD2)1(4nnE18.Thepositivezeroof221)(xxfisclosesttowhichofthefollowing？0.4A0.5B0.6C0.7D1.4E19.Asystemoftwolinearequationsinxandyhasauniquesolution.Thesolutionisrepresentedintheplanexybywhichofthefollowing?AThexinterceptsoftwolinesBTheyinterceptsoftwolinesCTheslopeoftwolinesDTheaveragexandyinterceptsoftwolinesEThecoordinates),(yxofthepointsofintersectionoftwolines20.If1)(2xxf,whichofthefollowingaretrue?Ⅰ.)()(xfxfforall.xⅡ.)()(xfxfforall.xⅢ.)1()0(ffAⅠonlyBⅢonlyCⅠandⅡonlyDⅡandⅢonlyEⅠ,Ⅱ,andⅢ21.If82)(yxand2122yx,thenx2A4B5C6D7E422.Thefunctionfisgivenby.158)(2xxxfWhatistheleastvalueofdsuchthatfisincreasingfor?dx4A3B4C5D15E12xy23.If),(yxisasolutiontotheequationaboveand11x,whichofthefollowingmustbetrue?22yA31yB0yC10yD31yE24.Whichofthefollowingcannotbeanintergerifxisanintegergreaterthan?21xxAxxxB652512xC212xxD23xxE25.If10log05.1x,thenx1.00A1.05B1.63C8.96D11.22E26.Thefiguresaboveshowthegraphsoffunctionsgandh.Whatisthevalueof?))2((gh4A2B1C0D1E27.2)cos(sinxxxA2cos11BxC2tan1xD2sin1xE2sin428.Iffistheinversefunctionofgand2)3(f,then)2(g3A2B31C21D3E529.If,164444necbawhatistheaverage(arithmeticmean)ofcba,,andeintermsof?nnAnB2nC4nD8nE16Note:Figurenotdrawntoscale.30.Intheisoscelestriangleshowninthefigureabove,thecoordinatesofpointJare)4,2(.IfJHLJ,whatistheequationofthelinecontaininglinesegment?LJxyA2321xyB521xyC82xyD24xyE31.Thegraphof)(xfyisshowninthefigureabove.Whichofthefollowingcouldbethefigureof?)(1xfyABCDE632.In2004therewereapproximately293millionpeoplelivingintheUnitedStates.Thepopulationwasincreasingbyapproximately92.0percentperyear.Ifthepopulationcontinuedtoincreaseatthesamerate,approximatelyhowmanymillionsofpeoplewouldhavebeenlivingintheUnitedStatesin?2014271A296B321C333D706ESetASetBSetC33.Eachofthefrequencydistributionsforthedatasetsshownabovehasameanof2.Whichofthefollowingliststhedatasetsinorderaccordingtotheirstandarddeviationfromleasttogreatest?BACA,,ABCB,,CBAC,,ACBD,,BCAE,,34.Aparallelogramhassidesoflength50centimetersand75centimeters.Ifthesmallerangleoftheparallelogrammeasures45.whatisthelengthoftheshorterdiagonal,tothenearestcentimeter?50A53B71C90D116E35.Acertainradioactivesubstancedecomposesataratesuchthattheamountofmassremainingattheendofeachdayis21theamountleftattheendofthepreviousday.Ifthemassatthebeginningofthefirstdayis0M,whichofthefollowingcouldexpressthemassremainingattheendoftdays?tMA02tMB)(20tMC0220tMDtME2036.Forwhichofthefollowingvaluesofxintheinterval2,0is2sin32)(xxfundefined?0.73A2.30B2.41C2.74D3.87E737.Inthefigureabove,OAandOBareradiioftheunitcirclewithcenterO.Whichoffollowingrespresentsthelengthofchord?AB2sinA)sin(2B)cos(2C)2cos(2D2E38.If93yx,whatisthemaximumvalueof?xy23A427B227C481D281E39.Whataretherectangularcoordinatesofthepointwhichpolarcoordiantes?)200,2()68.0,88.1(A)34.0,94.0(B)88.1,68.0(C)17.0,47.0(D)94.0,34.0(E40.Theproductoftwodifferentprimenumbersislessthan26.Whatisthegreatestpossiblevaluefor