Mathematics : The Quadratic Function 53

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RockSinCity
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Hello, everyone who likes math so much in the world ????,

Taiwan is a country which only own an area of ​​approximately 36,000 square kilometers but own population approximately 23 million. More than 70% are concentrated in the five metropolitan areas in the west, of which the Taipei Metropolitan Area with the administrative center of Taipei as the core is the largest.

I love Taiwan this place where I have lived for 40 years more, just like I love my family. I have told that I have already not come home for more 1.5 years more, but I still love my family, just now I can have more time to cope with my life and process my plans that I want to achieve. Actually I should thank them for letting me have the opportunity to achieve my goals.

When talk about Taiwan, I think so many people will remind so many places to invite foreigners go and I believe that foreigners all know where to go if they come to Taiwan for the first time. I always like to invite them to see the beautiful natural sceneries and several famous delicious local places’ food stores.

I love Taiwan is because we have the oldest party Kuomintang which is ever so giantly grand and so righteous with bravery, but also have the Democratic Progress Party which is the very diligent and intelligent party with the permanent innovation. This time the KMT’s reform of congress really makes a decisive advancement in the country. This tenure is continuously third time for the presidency, I think most the Taiwan people is still prefer to DPP.

▪️I like Taiwan, because the small island taught me so much▪️

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Hi~~~~~~~~~
Because this question is a little bit complicated, so I use two episodes to explain it, thus the solving process can be more clear. And the method I have told you, so that is all the following content.

To make the “square method” on the original function. Because x is among 0 and 6, so f(x)’s minimum is always positive. So when “m+2 smaller 0”, f(x)’s minimum is f(0), this we get the m’s range.

Finally to combine the possible ranges together, we can obtain the answer of this question.

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