1、 tB M 1f Qf # pEK1:Qf #f Q |f Qf s ef Qf ZE,NZE gb1oM:f aQf a f bms |: 0 1 74f y= f(u )u =(x )7f yBf (x )r, Qf 5,ef VvY pQf ZE p. p f Qf 5vYZE5 Es mb|N_5 p sHqb 1 !f yBf(u ) (u D ) , uB?(x )(x Q , u Z , D n ZA)b y= f(u )uB, (x )iQf bsYyBfBm(u )uBfm(x )b * f y= f(x )riQf OQf y =JBm=qfBm(x)r.:f lA=x !
2、x Q ,J(x )qD Z bA g Q .,.nD nb, : . A b. ix : , x : A=Q,.nf u (x)iQf .B.nu : =J: (x )+u : =(x ) , u : , u : D“f y= f( u)iQf .nf(u l )f(u : ) .fqJ; (x )rfqJ2 (x )r.nf y= fq, (x )r lAfq VA )r BB .nf y = f(x)riQf b,.nf y = f(u )Qf y= fBm(u ) ,.nfqfBn(u )roub :Jq?Bn(x )r= x.n. ffJ(JBm(fB1 (x )= fqfBm(x
3、)rBxt . ,f yBfqJ(x )rQf y=?BmqfBn(x )r1 :Xf y f(x)Qf y=fBn(x)(1) k pf y= f(a x + b)Qf (2 ) k pf y f( m En)Qf b: (1)m: yBf(u )Qf y = fBn(u )bu=a x + bQf u=BXiBa 8 1f y=f( ax + b)Qf :1 , _ , ,aby =1 .x B=Bd g(2)n.ny = f(u )Qf y= fBm(u )bu =m x 3 , nQf uB . 1f y = f( m x 3 + n)Qf :_Q=yBV B/Bz :Xf(x )=
4、10 9 . (a ,B1) , k p: y= fqf(x )rQf .: n5 pyBf(x)Qf .n.nyB10 9 . (a xBl) . ,. a , = a lB1 .n, a x=a y + 1.n. xB10 9 . (a , + 1 ) o26 a Sn1 18bb3B42B1f Qf # pE.nf y 10 9 . (a ,B1)Qf y 10 9 . (a , + 1 )b 1y fqf(x )rQf :y= 10 9 . (amcm+m, + 1 )B10 9 . (an+ 2 )3 :Xf(x )Ba lB1a=+ l (a 1 ) ,J(x ) =d=_aaa.
5、a_b, , , _aB:Bq mB=(b 0 )b k p:f yBfqJ(x )rByBJbx EeooBpzboam+pm=a=aB, ,=Jqf(x )rQf b: n5 pf y f(x)yB, (x )Qfa xB1a= El.n. (yB1)a x -B1By:ba= 1+y1By;10 9 .10 9 .1 EylBy: . y= f(x )Qf yo1 +x1Bxdb x + cQf y dBe xbx 1 VyBf(x)rQf y=7dBelo g - 1+x1Bxblo g . l+x1BxyBqf(x )rQf :y 10 9m_ . dBc x E- t=BO Xfb
6、 2 !f f(x )Bfb+B,qllf; (x )llrnf fb(x )( i 1 , 2 ,l, n)7b nf y=fb(x ) (iQf bsYy = fm(x )(i, 1 , 2 ,l, n )b5f f(x )iQf OQf y fmf nqllm(x ).cclrb 2 , | iQf f ,1f l, * iQf OQftf Qf vMQZ_7ba, ,b 1 F(ma=,m 4 : py= 10mBnn+n Qf bBB , _aY Y7=mbm=:f yB10 vB +, +n Qf ,y= 10c, u /, v = w ,B3w , + 3w , w=lg x7y
7、=10bQf y lg u ;u= Qf u = v3 ;v = w ,B3w 2 + 3w (wBl )n+ 1Qf vJ F=+ l ;w=6xQf w=10xb ,a, m, F=|=mb=m f y= IO vBn: + 3 Qf B10 9 . 11BdBe xy= 10Y ;, , B ,E V lwB( 45:)Y y , 4?dB,? !9 H V 8 f ) ba1a r % r T bT vl1 | % r )aaa a %b s ,1 p rT !9 b2a I nTF rq,:_Kl %L. : / T:Lm= LO =L OTLbB:_ s Kl %LbBF %;B) F) |IOd ;=) F)5dL. : = Lb+ 5d , a ) F I nb3aB) r , n)%911)v10db %r )b , “ -, b#,7/ Y# . ID: r # l?G B 50 24 r !9?SG BJI O
