1、Ip?2022?p!JK?K?8?Kz?K5?403z?K?okK8?1.8A=x N|2 x 00K,Ka?.()(A)3,0(B)(3,0)(C)12,0(D)(12,0)3.emx+lnx 3=0?,Ke?(?.()(A)1 m 2(B)2 m 3(C)3 m 4(D)0 m b c(B)b a c(C)c b a(D)c a b6.?Kp:ln(x 1)1,f(x)=loga(a2x 2a2 2),Kf(x)0?x?.()(A)(,0)(B)(0,+)(C)(,loga3)(D)(loga3,+)8.f(x)=5|x|+3 1?m,n(m,n?),0,23,Kv?(m,n)?k?.()
2、(A)3(B)4(C)5(D)6?!JK?K?4?Kz?K5?203z?K?okK8?5?2k?09.e?K?.()(A)ea 0,a 6=1,Kx 0,y 0,logax logay=loga(xy)(B)ea 0,a 6=1,Kx 0,y 0,loga(x+y)=logax+logay(C)y=lnx+9lnx?10(D)ea b 1,Klgalgb 110.e?3(0,+)O?.()(A)f(x)=x13(B)f(x)=|x 1|+1(C)f(x)=(x+1,x 0(D)f(x)=2x 2x11.f(x)=8:x4,x (,0)log14x,x (0,1)x2+4x 3,x 1,+),e
3、g(x)=f(x)mTk:,KmU.()(A)2(B)1(C)0(D)1 1 1(?4)12.f(x)=(x2+6x,x 6 02x 1,x 0,eux?4f2(x)4f(x)+2+3=0k5?,KU?k.()(A)43(B)87(C)76(D)32n!WK?K?4?Kz?K5?20rY?W?3Kk?A 13.y=ax2+2(a 0a 6=1)?L:P,K:P?I.14.f(x)=log12(3 x2)?N4m.15.f(x)=ex(x 0,Ka?.o!)K?70)A?i!yL17.(?K10)z(I?OL)(1)91612+(2 )2+(2)0;(2)3log32+lg5 log132 lg
4、2 log23.18.(?K12)8A=x|x2 3x+2 6 0,?2x+1 22x+2a?)88B.(1)?a=2,A B;(2)?Kp:x A,Kq:x B,epq?7,a?.1 2(?4)19.(?K12)?,?,/?CkY?Y,/?*?J,/?3Y*?k?,1?/?*?N1cm3,2?/?*?N3cm3,/?*?Nymx(:)?Xk?.J:?y=m 3x;?y=mlog3x+b,m,b.(1)?=?.,T?.?);(2)e/?*?N?5cm3,?I?20.(?K12)f(x)?(0,+),ve:?x (0,+),kf(x)0;?m,n(0,+),kf(mn)=f(m)n;?f(1)1.(1)y:f(x)3(0,+)O;(2)ef(2a 1)f(2)0,a 6=1,eu?x 2,+),3m 1,2,?f(x)6 am+x2 4x,a?.22.(?K12)f(x)=loga2x+12x(a 1).(1)?5;(2)yf(x)3(0,+)O;(3)eg(x)=loga2x+12x+1(a 1),3m,n (0,+),g(x)3m,n?1+mloga2,1+nloga2,e3,a?;e3,nd.1 4(?4)
