广东省广州市2022届高三一模试题 数学【解析版】

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22[ὃ]>^9V_ᦪ(a,X),(W%)…(%c)ᐸ:;efy^bx+aḄg᳛ijḄᨬklmZG-ᐗ)(y-o)qr]ᑖt.3=ui=lߟ-------------a=y-bx.£(xVy2/=1[20-21⚪|ᫀ௃ூ|ᫀ௃(1)y=0.2d+5(2)95ᨴḄᨴᑭL⚜WGᨬᜧூ᪆௃ூᑖ᪆௃(1)᪷ᦪB:;DEḄ]Ca,Sᑮ:;DE(2)RᔠVTᡠCᑮzᐵ9xḄᦪᦪCᓫ᩽GᨬGC|ᫀ.ூkT1௃-1+4+9+16+25--4.9+5.8+6.8+8.3+10.2=12,ᑣ=---------------=11,y=------------------------------=7.2,_X(w--w)(^>F)_i0x(-2.3)+(-7)x(-1.4)+(-2)x(-0.4)+5xl.l+14x3_81.1(1-11)2+(4-11)2+(9-11)2+(16-11)2+(25-11)2v=y-b^v=7.2-0.2x11=5-ᡠyᐵ9xḄ:;DE.y=0.2+5ூkT2௃ᵫ(1)K>y=0.2x2+5,z=24«V=246V5(஺52=244V/_,g)=24஺7lx>0),-3/+24x+27-3(x-9)(x+l)(x>0)2x>/x2xyfx”(F>0>0x>9,஻(x)=0:x=9,ᡠ஻(x)=24&—ᡝV¢(x>0)ᙠ¤=9ᜐ¥᩽ᜧG¦§ᨬᜧG஻(x)=஻¨=72—27—9=36111axᡠ95ᨴḄᨴᑭL⚜WGᨬᜧ.32Lᙠ©☢e«ᙶ᪗Pg¯JK°4-2,஺)6(2,஺)°M±²efAMBefḄg᳛³´.-“

23°MḄ·¸.¹fC.(1)CCḄDE(2)JK°/(1,0),ef/:x=4B¿ÀÁ9°஺efAMB/Á9°N,§ᔲÅᙠÆᦪ2,ÇNMFD=2NNFD?)Tᙠ,C4ḄGÈaÅᙠÉÊᳮᵫ.ூ21~22⚪|ᫀ௃22ூ|ᫀ௃(1)Ì+ᓃ=1Ïxo±243(2)Åᙠ1=2,ᳮᵫÓ᪆.ூ᪆௃ூᑖ᪆௃(1)ᑭᵨg᳛Ô°]Rᔠefg᳛³´.ÕGᑡDEᓽyCMḄ·¸.¹fC,ØÙxo±2.n(2)ÚN(4,஻)ஹefAM.y=—(x+2),ὶ7¹fC,ßᵨàáÕᳮCMᙶ᪗âßᵨ஻⊤ã6tanZMFD,tanZNFD,Rᔠlë«ìᑗ]ᑨïtanZMFOBtan/VFDḄᦪᐵPᓽy.ூkT1௃ÚM(x,y),ᑣkk------------=V஺ÏxH±2,AMljM.BMx+2-24x22ᡠMḄ·¸.¹fCDE.ó+ᓃ=1ÏXH±2.43ூkT2௃YIÚN(4,஻)ᑣefAM.y=7(x+2),6n,ky=7(x+2)6ὶ7¹fc:᦮ᳮ>(஻2+27)/+4/ᐗ+4஻2-1()8=0,22x+y--11434/1254-2n2n10818,?ᵫ⚪ÚKߟV.ᑣ᝞ᦑû-x-----=------ù+276"+27“2+27nýtanZMFD-•,tanZNFD=-%T9X"32஻2tanZ?VF£)36nᡠTan^/V”)—tanZMFD,ᓽ1NMFD=2NNFD,9஻2I---9ᡠᙠ1=2,\,41FD=2/VFD.

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