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3. Find the minimum and maximum values of the function on [-0.5, 4] if f(1) = 1³ - 31² +1

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B) INTER-RAIL EUROPE FROM BRITISH RAIL INTERNATIONAL The new Inter-Rail 26+ Pass offered by British Rail International is for people who would like to mix Some of the popular attractions of Europe with some of the more นทนรual experiences that can happen when you get off the tourist route. Whatever your tastes, and wherever you want to go, people of every age from 26 to 106 (and over!) will enjoy the freedom to travel as they please at astonishingly good value prices - a fifteen-day pass costs E209 and a one month pasS Costs just E269. Both give you unlimited second-class rail travel in the nineteen European countries listed at the end of this leaflet. Those countries which are not listed do not recognize Inter-Rail 26+, Planning your trip You can get brochures, maps and accommodation guides from the National Tourist Offices for each country you plan to visit. Some of the addresses are listed in this leaflet but we leave all that to you! However, the International Rail Centre at Victoria Station, London SWIV 1JY, offers a special journey-planning service. A route can be prepared, complete with any train reservations that you need, for a minimum fee of around f15, depending on the amount of work involved. Write to the above address, giving as much detail as possible about your dates of travel and preferred departure times. What else do you need to know? Reservations are required for certain trains in Europe and an extra charge is payable on some express trains. It is usually possible, however, to find an alternative local or regional service. How to book? Inter-Rail 26+passes are available from certain British Rail stations and travel agents approved by British Rail International. For further enquiries, please call 0171834 2345 or write (or call in at) the International Rail Centre, Victoria Station, London SWIV 1JY To qualify for Inter-Rail 26+you must have lived in Europe for at least six months and hold a valid passport - please bring it with you when you book. Under 26? Inter-Rail is available to under 26s for one month's unlimited travel in 26 countries at a cost of f249 - less than f10 per country. Please ask for a leaflet.

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HW Example 45 Given that the function f(x) = x + 6x - 10. Find 1) Write the equation in standard form y = a(x - h) +k and draw a graph. 9 = x +6x - 10 y(kพ 1,6ะ6,C = 11 ** 1>0 0 ะ h= -b - - (6) The graph is Upwore = (-3 >X (h) 24 2() k = 4at -65 *3 4()(1) - (6) 40 2 ะ 4- 36 ะ 2) Is the vertex of graph a minimum or maximum point? The minimum point is (-3, 2) 3) What is the equation of symmetric axis? 4) What is the minimum value of y? The minimum value is 2 X = - 3 Example 46 Given that the function f(x) = - x + 8x - 5. Find h) + k and draw a graph. 1) Write the equation in standard form y = a(x -1 y = ax+bxte y= - 448x - 5 Qะ -115ะ,c = -5 9(k) 11 hะ -6 -(-8) x(h) = = -4 24 2(-1) -2 k = 4ad -6 4(-1)(-5)-() -44 ะ +a = 11 +(ฯ) -4 -4(-5) - (64) 2) Is the vertex of graph a minimum or maximum point? The maximum point is (-4 911) 3) What is the equation of symmetric axis? 4) What is the minimum value of y? = -4 = 11

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แบบฝึกหัด เรื่อง Participle Direction: Choose the best answer. (tem 1 - 15) 1. am with Jane. A. talk B. talked C. to talk D. talking 2. He has the pencil. A. forget B. forgotten C. to forget D. forgeting 3. A dog was by his owner. A. hits B. hit C. to hit D. hitting 4. My watch was yesterday. A. steal B. stolen C. to steal D. stealing 5. hungry, he went into the kitchen and opened the fridee. A. Feel C. To feel D. Feeling B. Fell 6. heard someone A. sing B. sung C. to sing D. singing 7. Many of his paintings show the Sun. A. rise B. risen C. to rise D. rising 8. Look at the car. It's like a new one. A. wash B. Washed C. to wash D. washing 9. My beans come from an old family recipe. A. bake B. baked C. to bake D. baking 10. The fabric should not be washed in hot water. A. dye B. dyed C. to dye D. dying 11. He hated in the backseat of the car. A. sit B. sits C. to sit D. siting 12. 'm 50 this style of paint. A. interest B. interested C. to interest D. interesting 13. The boy to hospital has recovered. A. take B. taken C. to take D. taking 14. He took a class at the community college. A. garden B. gardened C. to garden D. gardening 15. The rate for freelancers is more than minimum wage. A, go B. gone C. to go D. สุoing

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Chose the correct answer and explain your answer using your own simple words. Which of the following is true and why? Justify your answer. A. Heterogeneous mixtures are minimum boiling point mixture B. Homogeneous mixtures are minimum boiling point mixture. C. Heterogeneous mixture are maximum boiling" point mixture.

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2 Match the beginnings to the endings of the sentences. 1 ปี A joumalist wants to 2 ]ี Ifyou need a lift from the station, a update your Social media profiles. b love reading comics. ( interview us about the crime. d give us a cal. e post that comment on my blog? 3 When did he It's important to 5 ]ี Some kids กับู Ad) ที่ใช้อธิบายคำคมใุนประโยค 3 Match the adjectives in the box to the underlined nouns, There is one extraadjective. 4 4 Complete the gaps using the adjectives in the box. There is one extra adjective. delighted disgusting disgraceful - extraordinary - superior terrified disgraceful horrifying magnificent " miraculous - superior terrified คาคุม 1 Tve never seen weather like this before. It's 25C and it's January! 1 A Were they very badly hurt in the car crash? B I'm afraid so. They suffered. injuries. 2 A I'mnot that impressed by the old Venetian palaces. B lcan't believe you think thatl They're. buildings! 2 Myra was inside the burning building and didn't know how to escape. 3 Ben was really pleased to pass the exam. 3 A Can you believe it? Arsenal won! They scored twice in the last minutel 4 The politician who took the money should be ashamed of his behaviour. B Tknow. It was a.. -recovery! 4 A Hosting the Olympic Games in London was a great idea, was't it? 5 This food is very oily and there's far too much salt - Tcan't eat it. B You're joking! It was a of money. waste 5 Choose the correct option. 1 Richer countries should do more to help reduce poverty in forming / growing / developing countries. 2 The minimum salory/ earning / wage rose last month by 2% to E7.20 per hour. 3 We offer excellent working conditions / requirements / rules for all of our employees. 4 Does the council empty the gloss / bottle / recycle banks every week? 5 Our Services for jบnk / rubbish / woste disposal include burning burying and recycling 6 Complete the sentences with one word from box A and one from box B. There are two extra words จับคู่คำผสม ในกล่อง + 9) - ใชใประโยดที่มีคmaนมายๆรงกัน (A)bottle developing greenhouse - landfill - locally = vegetable waste B)bank - conditions - countries disposal living produced site is where you can take glass objects for recycling food comes from farms that arent far away. 1 A 2 3 are places with little industrial and economic activity. rubbish goes into ahuge hole in the ground. is the way we get rid of everythingwe don't want to keep. 4 Ata 5

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Chose the correct answer and explain your answer using your own simple words. เWhich of the following is true and why? Justify your answer. A. Heterogeneous mixtures are minimum boiling point mixture B. Homogeneous mixturess are minimum boiling point mixture. APRRO C. Heterogeneous mixture are maximum boiling" point mixture.

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Chose the correct answer and explain your answer using your own simple words. เWhich of the following is true and why? Justify your answer. A. Heterogeneous mixtures are mininmum boiling point mixture B. Homogeneous mixtures are minimum boiling point mixture. C. Heterogeneous mixture are maximum boiling' point mixture.