2015年河南高考文科数学试题及答案

1201513461.2.2B0.5.3.1251A={x|x=3n+2,nN},B={6,8,12,14},ABA5B4C3D22A0,1B3,2AC=-4-3BC=A-7-4B7,4C-1,4D143zz-1i=i+1z=A-2-IB-2+IC2-ID2+i4331234533A103B15C110D1205E12ECy2=8xABCE|AB|=A3B6C9D1226::?:()85?11.623A.14B.22C.36D.6671=4=ABC10D128f(x)=f(x)Ak-,k-,kA2k-,2k-,k3Ak-,k-,kA2k-,2k-,k9t=0.01n=A5B6C7D810fa=-3f6-a=A-74B-54C-34D-1411r16+20r=4A1(B)2(C)4(D)812y=fxy=-xf-2+f-4=1a=A-1B1C2D4313~2122~24.4513{an}a1=2,an+1=2an,Sn{an}n-Sn=126n=.14f(x)=ax3+x+11f(1)2,7a=.15x,yz=3x+y.16FCx2-82y=1PCA0,66.APF5.1712abcABCABCsin2B=2sinAsinCa=bcosBB=90a=2ABC1812ABCDGACBDBEABCD.AECBEDABC=120AEECACD361912xytz8i=1,286xyw81ix1-x281iw1-w281ix1-x(y-y)81iw1-w(y-y)46.65636.8289.81.61469108.8w1=x1,w=1881iw11y=a+bxy=c+dxyxyxzxyz=0.2y-xix=49iixu1v1,u2v2,,..unvn,v=u2012A(0,1)klC(x-2)2+(y-3)2=1M,N.1K2OMON=120MN.721.12x()fx'()fx0a2()2lnfxaaa22232422104-1ABOACOBCOEDACDEOCA=3CEACB23104-4xOy1C:x=2,2C22(1)(2)1xyx11CC282C3=4R,C2C3MN,C2MN24104-5fx=|x+1|-2|x-a|a0.1a=1fx12fxx6a.910111213