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Mathematics Senior High

この問題はなぜf(x)=の判別式の値をもとめるのですか?

25 とグラフ 常に成り立つ2次不等式 RE 常に成り立つ2次不等式とグラフ コツ 28 2次不等式f(x)>0やf(x)≦0などが常に成り立つ条 件を求める問題では, y=f(x)のグラフを考えて 「常に0より大」 ということは, グラフにすると? その発想が大切。 例題 3-38 定期テスト 出題度 900 共通テスト 出題度 任意の実数に対して次の不等式が成り立つとき、定数kの値 の範囲を求めよ。 (1) 2x-8kx+13k²-20>0 (2) kx²+(2k-4)x+2k-750 (k=0) ●上に凸か下に凸か ② f(x)=0としたときの判別式Dの値 の2点に着目する。 さて、2次関数y=f(x) のグラフは以下の6つのどれかになるんだ。 判別式 は3-1で説明したから, 忘れてたら復習してね。 ○0 「なんか難しそう………………。」 1-20 の最後で勉強したね。 “任意の” は, "どんな○○でも” や “すべての ○○で”という意味だよ。 (1) 「はい、それは覚えてますけど、 “すべてのxで不等式が成り立つよう にする”なんて、どうやって考えればよいのですか?」 こういった問題は2次関数のグラフを使って解いていくんだよ。 「どうやって使うんですか!?」 具体的に進めていけばわかるよ。 まず手順をコツにまとめておくね。 y=f(x) y=0 (軸) f(x)=07"D>0 D=0 D<o 下に凸 I I 上に凸 (1)なんだけど, “常に正” ということは、上の6つのグラフのどれ 「⑤ですか?」

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English Senior High

線を引いたところの訳し方を丁寧に教えて頂きたいです🙇‍♀️

L American poet Ralph Waldo Emerson once said, "Every artist was first an amateur." He likely never thought those words would apply to machines. Yet artificial intelligence (AI) has demonstrated a growing talent for creativity, whether writing a heavy-metal rock album or producing an original portrait that is strikingly similar to a Rembrandt. Applying AI to the art world might seem unoriginal; there are, of course, plenty of humans delivering awe-inspiring work. Supporters say, however, the real beauty of training AI to be creative does not lie in the end product-but rather in the technology's potential to expand on its own machine-learning education, and to solve problems by thinking in different ways far faster and better than humans can. For example, creative problem-solving AI could someday make snap decisions that save the lives of the passengers in a self-driving car if its sensors fail. AI with a creative component will be essential in developing highly automated systems that can respond appropriately to human life, says Mark Riedl, an associate professor at Georgia Institute of Technology's School of Interactive Computing. "The fact is, we do lots of little bits of creativity every single day; lots of problem-solving goes on," Riedl says. "If my son gets a toy stuck under the couch, I have to devise a tool from a hanger to get it out." Riedl points out human creativity is also important in human social interactions, even telling a well-timed joke or recognizing a pun. Computers struggle with such subtleties. An incomplete understanding of how humans construct metaphors, for example, was all it took for an experiment in Al-generated literature to compose a new Harry Potter chapter filled with nonsensical sentences such as, "The floor of the castle seemed like a large pile

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