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Mathematics Junior High

教えてくださった方フォローします!なるべくはやめでできるとこだけでも大丈夫です!練習4.5.6教えてください🙇‍♀️🙏🙏

| 90 | 第3章 2次関数 関数のグラフを利用して、その関数の最大値、最小値を求めてみよう。 例題 1 解答 目標 練習 4 関数 y=2x+1(1≦x≦3) について,次の問いに答えよ。 (1) 関数のグラフをかけ。 また, 関数の値域を求めよ。 (2) 関数の最大値 最小値を求めよ。 深める練習 5 (1) この関数のグラフは,直線y=2x+1 の 1≦x≦3に対応す 5 YA る部分である。 7 x=1のとき y=3 x=3のときy=7 よって, グラフは右の図の 実線部分である。 関数の値域は 3 1 10 1 3 3≦y≦7 * (2) x=3 で最大値7をとり, x=1で最小値3をとる。 【?】 x=3 で最大値7, x=1で最小値3をとるといえるのは,点 (37), (13) が,グラフにおいてそれぞれどのような点であるからだろうか。15 関数 y=f(x) (-1≦x≦4) のグラフが 右の図のようになるとき, この関数の最 大値、最小値を求めよ。 次の関数のグラフをかき, 関数の値域を求めよ。 また,関数の最大値, 最小値を求めよ。 (1) y=3x-2 ( 0≦x≦3) (2)y=-2x+4(-2≦x≦2) yA 3 2 -10 -1+ -2 3 x 4x * 「関数が x = 3 で最大値7をとる」とは, x=3のときの関数の値が最大値であり,その 最大値が7であるという意味である。 10 20

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English Senior High

TOEICの文法の練習です 解いてみたので解説してほしいです よろしくお願いします

110. Each employee must coordinate with management so that ------- time off can be properly scheduled. (A) alone (B) individual (C) isolating (D) separated 111. The cost of building Juniper High Towers exceeded the contractor's original ------- by over £5,000.00. (A) estimating (B) estimate (C) estimated (D) estimator 112. At Links Fine Meats, we pride on providing the highest-quality products on the market. (A) oneself (B) yourselves (C) itself (D) ourselves 113. he is usually quiet around the office, Mr. Heineman is known for his witty and engaging public speeches. (A) Although (B) Otherwise (C) Despite (D) Instead 114. Ancient Chitimacha baskets are ------- featured in the Louisiana Museum of Archeology. (A) prominent (B) prominently (C) prominence (D) prominences 115. tea and coffee are available in the lobby for all guests of the Farrison Hotel. (A) Compliment (B) To compliment (C) Complimented (D) Complimentary 116. 117. representatives of Light Cloud Airlines, flights are rarely overbooked. 119. (A) As opposed to (B) In addition to (C) According to (D) Prior to Mr. Krause will reorganize the supply room ------- the cabinets are delivered. (A) overall (B) due to (C) once (D) soon 118. By completing employee-satisfaction surveys anonymously, workers can more state their concerns about the workplace. (A) wholly (B) openly (C) favorably (D) laboriously The final blueprints must ------- by Ms. Ito after the final draft is produced. (A) approve (B) be approved (C) approving (D) to approve 120. This sewing workshop is ideal for beginner tailors ------- professionals who would like to refresh their knowledge. (A) but (B) either (C) as well as (D) additionally 121. All posters and flyers must be removed from the bulletin board ------- 48 hours after the event has occurred. (A) within (B) among (C) unless (D) while 122. The technology used in pots by Claypol Housewares keeps the handles from getting too hot to touch. (A) warm (B) frequent (C) unattached (D) innovative 123. There are a number of free Web-based ------- that provide tips for locating information in historical databases. (A) tutorials (B) tutoring (C) tutored (D) tutor 124. The person hired must be able to adapt ------to changes in work assignments and schedules. (A) readies (B) readily (C) readiness (D) ready 125. Organizational behavior specialist Ray Majory believes a good sense of humor in a leader can increase the quality of ------- in the team. (A) declaration (B) statement (C) message (D) communication 126. Portsmouth's agricultural industry has always found ways to itself by growing different crops and finding new markets. (A) reinvest (B) reuse (C) reassess (D) reinvent 127. While some countries have made huge investments in the Caribbean lately, others have reduced -------. (A) themselves (B) theirs (C) their (D) they 128. The ethics committee cited the potential benefits of the research project while ------- its high cost. (A) acknowledging (B) to acknowledge (C) has acknowledged (D) acknowledge 129. The report describes the environmental impact on lakes and rivers of using ------- energy sources. (A) together (B) hopeful (C) regulatory (D) renewable 130. Any decorations on the ceilings or walls must be fully removed, including any material used to them to the surfaces. (A) adhere (B) attract (C) construct (D) sustain

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