Dziedziną funkcji f(x)=1/(x2-m2+1) jest zbiór liczb rzeczywistych. Wyznacz przedział, do którego nal.... Question from @Marmolady

Marmolady @Marmolady

October 2018 2 16 Report

Dziedziną funkcji f(x)=1/(x2-m2+1) jest zbiór liczb rzeczywistych. Wyznacz przedział, do którego należy parametr m.

Proszę o wybranie poprawnej odpowiedzi: 56. are liking ; aren't liking ; like ; doesn't like 57. are you listening ; do you listen ; are you listening to ; do you listen to 58. Have even ridden ; Did you ever ridden ; Have you ever rode ; Didi you ever ride 59. I've been using ; I used to ; I've used ; I'm used 60. for to call ; to call ; calling ; call 61. for to meet ; meeting ; meet ; to meet 62. much equipment ; an equipment ; a few equipments ; many equipment 63. is a few ; are few ; is few ; are a few 64. on ; off ; up ; to 65. shall pass ; will pass ; would be passing ; is passing 66. may have left ; was to leave ; is leaving ; will be leaving 67. that ; where ; which ; when 68. of whom ; of those ; of who ; of which 69. are used to eating ; aren't used to eating ; didn't use to eating 70. aren't supposed to ; don't have to ; had better not ; musn't 71. needn't ; couldn't ; can't ; don't have to 72. may ; should ; 'd better ; needn;t 73. would have arranged ; will have arranged ; would arrange ; had arranged 74. would have ; will have ; am having ; have 75. has commented ; have commented ; is commenting ; has been commenting 76. borrow the money from ; lend the money from ; lend the money of ; borrow the money of 77. may be being ; were being ; have ; are being 78. left ; leave ; would leave ; had left 79. after having ; on having ; having done ; after i have 80. need to collecting ; need to collect ; need collected ; neet to be collected

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Proszę o wybranie odpowiedniej odpowiedzi w każdej luce: 26. live to work ; work to live ; work for live ; life for working 27. also ; one ; that ; effectively 28. were taking ; have taken ; took ; will take 29. little ; few ; a few ; a little 30. to be ; for be ; of being ; for being 31. away ; with ; off ; for 32. on achieving ; to achieving ; in achieving ; for to achieving 33. not surprisigly ; since ; fortunatelly ; whilst 34. work out ; take in ; count on ; figure in 35. needn't ; musn't ; can't ; don't have to 36. large ; big ; masive ; great 37. bear in ; take on ; take in ; bear on 38. increase ; increases ; are increasing ; increasing 39. will gain ; gain ; are gaining ; would gain 40. to ever reach ; ever to reach ; reaching ever ; to reach ever

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Proszę wybrać prawidłowe słowa w zdaniach: 66. When we walked into the hotel, a log fire (was burning / burnt / 's burning / 'd burnt) in the fireplace. 67. He (was waiting / 'd been waiting / waited / 's been waiting ) for his plane for an hour when it was suddenly cancelled. 68. My car’s just broken down for the third time. I wish I (wasn't buing / didn't buy / 'd bought / hadn't bought ) it. 69. I didn't feel like going to the party. I (should've make / wish I made / should do / should've made) an excuse. 70. Children under 15 could attend (providing to / as long than / as long as / on condition to) they were with an adult. 71. We (musn't / weren't allowed / didn't have to / were obliget) show our passports when we left the country. 72. His boss refused (to give / to make / allow / to led) him the day off. 73. We had very little petrol left in the car but we ( managed / were able / could / manage to) get home in the end. 74. By this time tomorrow, they (be landed / 'll land / might landing / 'll be landing) in San Francisco. 75. When do you think you ('ll have finished / would've finished / be finishing / finish) painting the house? 76. There are still (a great deal / quite a few / a little of / quite many) people who feel unhappy about the changes. 77. (Neither / Not/ Any / Either) of us feel like going out on a cold, wet, winter's night. 78. The teacher wanted to know why (he hadn't done / he isn't doing / hadn't he done / he hasn't made) his homework last night. 79. They told (I could / me I could / I can / I will) start work the following Monday.

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Marmolady January 2019 | 0 Replies

Proszę wybrać prawidłowe słowa w zdaniach.80. If she (needed / 'd need/ did't need / 'd needed) to wear glasses, she could have been a pilot. 81. They ('ll have been / would've been / 'd be / weren't) here by now if the train had been on time. 82. If I hadn't ignored my parents advice, I (might've / would've been / hadn't been / had been) a great musician. 83. You’d (better not being / be better / better be / better not be) late for work again or you’ll get fired. 84. She went to the doctor because she keep (to getting / getting / felling / to feel) headaches. 85. It’s not worth (worry / worring / of worring / of worry) about. He won't notice it’s missing. 86. She finally stopped (smoking / the smoke / to smoke / for to smoke) when the price of cigarettes went up again. 87. I’ll never ( forget to seeing / forget seeing / remember to see / remember see) snow for the first time. 88. We (can't have had / could've had / 'd have had / must've had) a serious accident when you drove through that red light! 89. The neighbours (can't have heard / couldn't heard / 'll hear / must've heard) the noise of the party. It was terribly loud. 90. The gym (who / where / that / which) I go to work out is open 24 hours a day.

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Marmolady January 2019 | 0 Replies

Proszę rozwiązać tę granicę:

Answer

hhtp

$x^2 - m^2 +1 \neq 0\\ x\in\Re\\ \Delta=0^2 -4\cdot 1\cdot (-m^2+1)= 4m^2 -4\\ \Delta <0\\ 4m^2 -4 < 0\\ m^2 -1 < 0\\ m^2 <1\\ m<1 \wedge m>-1\\ m\in (-1,1)$

1 votes Thanks 0

irenas

$f(x)=\frac{1}{x^2-m^2+1}\\D_f=R$

Oznacza to, że mianownik nie ma miejsc zerowych

$x^2-m^2+1=0\\x^2=m^2-1\\m^2-1<0\\m^2<1\\m\in(-1;\ 1)$

1 votes Thanks 1

W Niemieckiej Republice Demokratycznej wykształcił się ustrój: a) totalitarny b) parlamentarny c) parlamentarno - gabinetowy d) quasi - absolutyczny

Jak przetłumaczyć fachowo na angielski: Asystentka Eksperta Biznesowego

Czy każda funkcja ciągła jest różniczkowalna? Uzasadnij.

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Dlaczego Provident nie ma wpływu na kreację pieniądza w gospodarce? Proszę uzasadnić.

Proszę rozwiązać tę granicę:

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