C和指针 答案和电子书

《C和指针》 电子书原版加答案，这里可以让你学好C指针哦。Answers to odd-Numbered Problems A-95.(a) Undefined;(b)2.658;(c)0.84135.L(x)=V2-x27.(a)Not a function; (b) f(r)37.(a)E(x)=24+0.40x;(b)240 miles+1(e)f(x)=x2-1),(d)f(x)ad39.A(d)=4,reals: 01AAAV17.PeNAAA19. Period =2; shift: 2 units upAnswers to oddNumbered Problems A-1121. Period=;amplitude=7; shift: 21 units up, 2 units left Sample Test Problems1.(a)23,;)19.49,()64.;(1√2、√7.266k23. Period =3, shift: a units right1315{x:-4sx≤3};[-4,3];+117.{x:x-2rx>1:(-∞,-U(1,∞)19. Anv negative number 21.I 5: 525(a)Even;(b) Even; (c)Odd; (d) Even;(e) Even25nOdd2-V2A(-2,2931,C(5.5)35. 336 rev/min 37. 28 rev/sec驹,(a)3;(b)B(1,2)41.(a)0.1419;(b)1.8925;(c)1.7127t43.25cm45. r -+-sin47,675°F27.(x-6)2+(y-2)2=2049. As t increases, the point on the rim of the wheel will move 31.(a)y=9x+9:(b)y=2x+4:(c)y=fx+3.d)x=-2;e)y=x+3(a)x(2)≈1.902;y(2)≈0.618;x(6)≈-1.176;33.(b)y(6)≈-1618:x(10)=0;y(10)=2:x(0)=0:y(0)=2(b)x()--2si(),y()-2w(35(c) The point is at(2. 0)when s 2> that is, when t51.(c) Al sin(at+ 1+ A2 sin(at+d 2)+ A3 sin(at 3)A1 COS d1 A2 cOs 2+ A3 cos 3) sin at+(A1 sin 1+ A2 sin d2 + A3 sin p3)cos dot39.(0,4)and(3,7)41.(a)(b)4,(c) Does not exist; (d)e43.(a){ xE reals:r≠-1,1};(b){x∈ reals:|x|≤2}45.(a)(b)Chapter Review 0. 8Concepts Test1. False 3. False 5. False 7. False 9. True11. True 13. True 15. False 17. True19. True21. Truc 23. Truc 25. Truc 27. Truc 29. Truc31. True 33. True 35. True 37. False 39. FalseL41. True 43. True45. False 47. True49, True51. False 53. True 55. False 57. Tru59。 False61. Truc 63, FalscA-12 Answers to odd -Numbered problems47.v(x)=x(32-2x)(24-2x),{ x e reals:0≤x≤1237。 Does not exist419.(a)(bl39.(a) Does not exist; (b)041.a=-1,0,143(a) Does not exist; (b)-1: (c)-3(d) Does not exist45.(a)1;(b)0;ILL47. Does not exist 49. 051.153. Does not exist55,657,-3Problem set 1.2a<8→|f(t)-M0 such that8→f(x)0 such that6→∫(x)>M5. The interval [0.6,0.7] contains the solution55.(a) Does not exist. (b)0(e)1 (d)o (e) 0(n(g Does not exist. (h)057.59.361163.∞652V269.e711065Problem set 1.61. Continuous3. Not continuous; lim 3and h(3)do not existYes, g is continuous.5. Not continuous: limand h(3)do not exist7. Continuous 9. Not continuous; h(3)does not exist71.(a) Domain, Range{-34,0,3/4}4411. Continuous 13, Continuous 15. Continuous17.(-∞,-5),[-5,4]:(4,6),[6,8],(8,∞)tx=0(c)A-14 Answers to Odd-Numbered ProblemsChapter review 1.713.(a)l6t;(b)48t:;(c)S0tts,(d)96.16t/sConcepts Test(e)96 ft/sL。 False3. False5. Falsc7。True9. False15.(a)It/s; (b)1.5 sec11, True 13, True 15. False 17, False 19, FalseV2a+121. True 23. True 25. True 27. True 29 Fal17.(a)0.02005g:tb)2005gh:(c)231。Tue19.(a)49b)27g/cmSample Test Problems21.423.29,167gah;75.000gah25(a)0.5F/day (b)0.067Flday (c)January and July79.411-113.-1d) March and November27.(a)Increasing (b) Decrcasing15.17.119.21。∞29.24丌km2/day25.(a)x=-1,1b)f(-1)=-1(a)7;(b)0;27.(a)14(b)-12(e)-2(d)-2(e)s0c)-1:(d)17.9229. a=2.6=-1 31. vertical: none, Horizontal y=033. Vertical: x= 1, 1, Horizontal: y=135. Vertical:x=±丌4,±3m14,±5丌14,, Horizontal:noneChapter 2 Review and preview problems33.2.8181.(a)4(b)441(e)041(d)4l(e)a2+2ah+h2Problem set 2.2(f)2ah h(g) 2a-h (h) 2a1。23.55。27。6x9.2ax+b3.(a)V2≈1.41(b)√21≈145(c)0.035(d)0.3512x(e)va+ ova+ h-va (g)(va+h-valh(x2+19212V32(x-2)325.(a)a3+3a3b(b)a4+4a3b(c)a5+5ab23.2x-325.7.f(x)=2x3atx=57. sin(x h)= sin r cos h cos r sin hx-5)9.(a)(10,0),(10,0),(10,0)(b)r=1429. f(x)=xat xat x11.(a) North plane has traveled 600 miles East plane hastraveled 400 miles. (b) 721 miles (c)840 miles33. f(t)=.at t 35. f(x)=cos x atxProblem set 2.137.22H7.(a),(b)(c)2;(d)2.01;(e)24.」19.-4,-2,0,2,4lI22Answers to odd-Numbered Problems A-15Problem set 2. 41. 2 cos x-3 sin x 3.0 5. sec t tanx 79.sec2x11.SIn 1 3 x cos x- sin x15. -xsin x+ 2x cos x 17. 2 tan x secx19.y-0.5403=-08415(x21-2 sin2x +2 cos2 x23,30V3ft/ec25,y=x45.1547.-0.16们749.0.008151。2x27,x-4+k2 where k is an integer53.-1(x+1)2552(x+1)257.-,1,,-3(a)15b)6;5;(c)f(x)=x sin x witha=0andb=丌isacounterexample,d)24.93Problem set 2.515(1+x)13.-10(3-2x)61.(a)2,218,-06,()0.5;()5;(d)3,5;(e)1,3,5;5.11(3x2-4x+3)(x3-2x2+3x+1)0f0;(g}-0.7,1.5,(5,7)79.(2x-1)cos(x2+x)63.+rx+3)r+136511-3 sin x cosr 13(x-1)3x2+12x3x21565,/is short-dashed; g=/'is solid; g is long-dashed17.23x-2)(3-x2(9+4x-9x2)b7(x+1)(3x-11)69,(a)mm: (b) Im1921.4x(x2+4)T1ISa)(0,3);()0.3515-23.(6t+47)3-2)2(e)f(r)decreases as x(r+5)4(t+5)s increases when f'(x)<03 sinx(cos x cos 2x+2 sin x sin 2x)-1029.9.631.1418333.4(2x+3)sin3x2+3x)cos(x2+3x)35. -3 sin I sin(cos t )cos(cos 1)Problem set 2.337. -80 cos(sin 0)sin( sin 8)(cos 0+)5001.4x3.丌5,-4x37939.-2 cos[cos(sin 2x )] sin(sin 2x)(cos 2x)2x+213.4x3+3x2+2x+141243.145.-147,2F'(2x)49,-2(F(1)°F(51.4(1+F(2x)F'(2z)15.7m4x53. -sin rF(cos x)BF(2r)sec(F(2x)26n21223.3x2+157, 2F(F(x)sinl F(r)cUs F(x)+ F(x)sin" F(x59,-2sin161.-163.x=丌14+k丌.k=0,±1,±2,25.8x+427.5x4+6x2+2xx673n229,5x4+42x2+2x-5131.60x3-30x2-32x+146x8x+369.(a)(10 cos &t, 10 sin &Tt): (b)80a cm/ s3x-2+13x+(x+1)71.(a)(cos2a,sin2πt);(b)sin2丌t+V25-cos22丌t;6x2+20x+34x2+4x-5sin 2t3943c)2丌cos2r(1+3x+5(2x+1)2+1V25-c0s22t45.(a)23;(b)4;(c73.D.38 in/min75.x0=m/3;B=1.25rad49.y=151.0.0)and(3,-279, cot xIsi81.1653.(2817,0.563)and(-2817,-0.563)Problem set 2.655.(a)-24ft/s;(b)125s57.y=2x1.=2x|959。31.63.1625.-343cus(7x61. 681 cm'per week9.2113.27215.-900A-16 Answers to Odd-Numbered Problems19.(a)0;cb)0;(c)03,V3y+x=0.,v3y-x=021.f"(-5)=-24;f"(3)-2423.()()=12-4;a()=-4(b)(-∞,3);(o)(3,∞);37.(a)y=(b)yx+3(d)All t;(e)339。-15:45.0≈2.034447.y=2x+4):y=2(x-4)49.3Problem set 2. 825.(a2)o(t)=32-18+24;a()=6-181.1296in.3/s3.392mih.471mih7.0.258fts(b)(-∞,2)∪(4,∞);(c(2,4;(d(-0,3);e9.0079fs1.f/min13.1.018in2/s15。15.71 kominS ft/s;(b)19.110t21-0.016fth23.133ft/s1625.40493/hr27.(a)()=2-2;a()=2+3;(b)(2,∞)27.a)-1.125it/s:(b)-008fts32(c)(0,2);(d)Not29.①b)3 hours(e)t=2v〓31. 3ft/s when the girl is at least 30 ft from the light pole and12l tis when she is less than 30 ft from the pole.29.v(1)=11;w(4)=-16Problem set 2.93.(a)4s;(b)2S,4s;()Us,s1.dy=(2x+1)dx3.dy=-8(2x+3)-dx3.(a)48fs;(h),s:()9t;d)5.77s;(e)137fis5. dy =3(sin x+cos x -(cos x- sin x)dx35.581fs37,(-∞,-2)∪(1,4)7.dy=-214x+3)(7x2+3x-1)52dx9.d32t Hcott 2 diDx0)()0hk is the binomial几coefficienn-k)!k!41.(a)(b)-1.282615.()4y=-3()ay=-0317.(a)Ay=67y=34(b)y≈0.1706dy=0.1719.599171.3927cm323.893ft325.12.6ft27.4189±628cm; relative error≈0015Problem set 2.729.79.007±0.729cm; relative error≈0.009212x2+37001;|Ay-dyl≤0.0000338.01256y2-14xy35.754cm337.L(x)=4x-439.L(x2V5y95x22y-3xy22V515217.y+1=(x-1)19.5x23+1ZVx21x2 3Vx2y3x2-4x)41.L(x)=143.L(x)=x62x= cos x27。3v(x3+2x)5oVx+sin x[ cos t 2 x sinx(x+1)sin(x2+2x)31-23V(xsin x2v[1+cos(x2+22st2st45.L(x)=f(x)