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数学.pdf

数学

fsw1992226
2014-03-07 0人阅读 0 0 0 暂无简介 举报

简介:本文档为《数学pdf》,可适用于自然科学领域

PARTAWriteA=((=))asasinglefractiontimesAMultiplyout(a¡)andcollecttermsSolvex¡=forxSolve=x==forxIfa=andb=¡,flndthevalueofab¡(ab)Writex¡<¡xinanequivalentformx<Corx>CforasuitableconstantCIfA=(C¡)andA=,flndCGivetheslopeofthelinethroughthepoints(,)and(,)Multiplyoutt(t¡)andwritetheanswerasapolynomialintSimplify(ss)=sasmuchaspossibleSupposethatthepriceofagallonofgooisnowGdollars,andthatifthepriceincreasesby,thenthepricewillbe$FindGCombinethefactorsof(¡xy)(xy)intotheformCxaybPARTBSimplify((x)=(x¡))¢((x)=(x))asmuchaspossibleIfM=¡x,forwhichvaluesofxisM‚Solvej¡xj=forxFactorz(z)¡z(z¡)completelyFindallvaluesofdthatsatisfyd=dSupposethatxy=Write(y=x)¡intheformCxaybSolve=(x¡)¡=x=(x¡)forxTherentforapieceofequipmentis$perhourfortheflrsttwohoursand$perhourafterthatHowlongcantheequipmentberentedfor$WhatistheaveragecostperhourforthefullrentalperiodAgivenrectanglehaslengthLandwidthWItsareaisatmostsquareinches,anditslengthisinchesgreaterthanitswidthWriteequationsorinequalitiesthatdescribethesetwoconditionsSupposethatx>andy>Writeqy=xintheformCxaybPARTCHereandinPartDlogmeanslogarithmtothebaseandlnmeanslogarithmtothebaseeSolve(x¡)x=forxFindallvaluesofasuchthat(a¡)(a)=(a¡)=SolveL=F=(rt)forrintermsofL,FandtSupposethata=Simplify((ya)¡y)=aasmuchaspossibleFindanddescribeallsolutionsxoftheinequality(x¡)(x)>Findallthesolutionszof(pz)¡pz¡=Supposethatf(x)=xxandthathisconstantWritef(xh)asapolynomialinxTheheightabovegroundinfeetofablobtsecondsafteritisdroppedfromaclifiisgivenbythefunctionh(t)=¡tAfterhowmanysecondswilltheblobstrikethegroundHowhighistheclifiThesizeS(t)ofalumpattimetisgivenbyS(t)=Sekt,whereSandkareconstantsIfS()=S,flndthevalueoftforwhichS(t)=SIfx>,y>andlog(xy)=,flndlogyintermsoflogxPARTDFindcosxsinxSolvelog(b=)¡logAlog=forbintermsofASolveex¡=yforxintermsofyWritesin(x¡(…=))intermsofsinxandcosxIfthepoint(¡)isontheterminalsideoftheangleµinstandardposition,flndsinµandcosµFindaintermsoffi,fl,bandhforthetriangleABCshownABChabαβIfcosx==and<x<…=,flndtanxDescribethegraphofthefunctionf(x)intermsofthegraphoff(x)

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