2015-yilning variantlari Matematika (Informatika) javoblari bilan

f (x)=x⁴+e^2x, f (x)–?

A) +4x² B ) e^2x +x⁴ C)2e^x+3x D) 2e^2x+4x³

15. 4¹⁰∙15³∙25⁸ ko'paytma necha xonali son bo’ladi?

A ) 20 B ) 23 C)22 D) 21

16.

A) (-2;0) B)[-3;-1] C) [0;2] D) (0;2)

17. Agar 2^x =a bo'lsa, ni a orqali ifodalang.

A) B ) C) D)

18. ni soddalashtiring

A)2 B) 1 C ) D)a

19. Agar bo'lsa, ni toping.

A)2/b B) -2/b C) 1/b D)-1/b

20. Rombning diagonallari 6 va 4 ga teng bo'lsa, uninig yuzini toping.

A ) 12 B ) 16 C)24 D) 10

21. Agar bo‘lsa, ni toping. (r∈R)

A ) 2786 B ) 2794 C ) 27 D) 8

22. arcsinx/2>arcsin(x-1) tengsizlikni yeching

A) [-1; 1 ] B)[0;1/2) C)[0;2) D)(1/2;1]

23. ni hisoblang.

A ) ½ B) -1/2 C)1/4 D) 1

24. 4(n-l) €' N son 1, 2, 3, 4, 5, 6, 8, 10 va 201 ga qoldiqsiz bo’linsa, 11 ning kichik natural qiymatini toping.

A)27 B) 28 C)31 D)25

25. lfodani soddalashtiring bunda

A ) ½ B ) 2 C) 1 D) 0

26. Ishchi har kuni kunlik rejada ko'rsatilganidan 25 ta detal ortiq yasab, uch kunda rejadagi 7 kunga mo’ljallanganidan 15 ta ortiq detal yasadi. Ishchi har kuni nechtadan detal yasagan? ,

A ) 40 B ) 15 C) 44 D)47

27 y=3ctgx funksiyaning F(π/2)=9 shartni qanoatlantiruvchi boshlang'ichini topib, F(5π/2) ning qiymatini toping.

A) 12 B ) 9 C)18 D) 10

28. tengsizlikni yeching.

A) x<3/4; 43/4 C) -4

30. bo’lsa, a ning qiymatini toping.

A) 10 B ) 30 C) 6 D ) 15

29. x va 84 sonlarining eng kichik umumiy karralisi 336 ga eng katta umumiy bo'luvchisi esa 12 ga teng. x ni toping.

A) 24 B ) 48 C) 60 D 16

30.bo'Isa. a ning qiymatini toping.

A) 10 B ) 15 C)30 D) 6

31. ASCII yoyilmasi to'g ri korsatilgan qatorni ko’rsating:

A) American Standart Computer for Information Interchange

B) American Special Code for Information Interchange

C) American Standart Code for Information Interchange

15) American Standart Code for Information Integer

32 2 ta mushuk 2 soatda 2 ta sichqonni yeydi. 4 ta mushuk 4 soatda nechta sichqonni yevdi?

A) 2 B ) 8 C )4 D) 6

33. Faylga yo’l berilgan: C :\My pictures\klass\picture bmp Fayl nomini ko'rsating.

A)C: B) My pictures C) klass D) picture.bmp

34. MS Exsel 2003 dasturida A1 katakda 8, A2 katakda 7. A3 katakda 6ni qiymati berilgan bo'lsa, =ПРОИЗВЕД(A1:A3) formula bo'yicha A4 katakda qanday natija hosil bo’lgan.

A) 336 B ) 335 0 338 D)48

35. HTML- hujjatda matnni qalin shirift

ko’rinishda yozish uchun uni qaysi HTML

teglar orasida olish zarur0

A)B)
. .

C)... D) ,,.

36. Paskal tilida quyidgi dastur bajarilishi natijasida ekranda chiqariladigan axborotni aniqlang:

Label a; Var k,b,c:string[6]; Begin K:=20;B:=14;goto a; C:=01.08; write (C:2); a: \vrite(K:l,B:2); end

A) 01.08.2014 B) 01.08 C)2014 D)214