2022-Quiz1-answers

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Jan 9, 2024

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8/20/23, 10:59 AM Quiz: Quiz 1 https://q.utoronto.ca/courses/277721/quizzes/287377/take?preview=1 1/9 Quiz 1  This is a preview of the published version of the quiz Started: Aug 20 at 8:43a.m. Quiz Instructions Quiz period : October 3, 2022 between 7pm and 9:30pm Quiz time : 75 minutes from first access (up to 9:30pm) You can submit the quiz several times within the 75 minutes. You can submit it an unlimited number of times. Your last submission is the only one that will count. Beware: If you start a new submission, you can't cancel it, so the previous one will no longer be graded. Also, the questions will change. Allowed Aids : Calculators (including online calculators like Desmos or Geogebra), textbook, and your notes Forbidden Aids : Consulting with anybody else or use any other internet resource. This Quiz must be completed by the student registered in this class, alone and without any assistance from another person - face-to-face or digital. The following are considered academic offences in this course: Having someone else write this quiz on your behalf Writing the quiz on behalf of someone else Posting this quiz online, even if you have completed it Submitting questions from this quiz online Viewing questions from this quiz online Searching questions for this quiz Talking about the answers to this quiz - even if it is just hinting at it while it is open (before 9:30pm). Communicating with another person enrolled in the course while the quiz is open (between 7– 9:30pm), either before or after you submit it

8/20/23, 11:00 AM Quiz: Quiz 1 https://q.utoronto.ca/courses/277721/quizzes/287377/take?preview=1 2/9 Students at UofT are bound by the Student Code of Conduct. Any suspected, potential, or confirmed violations of Academic Integrity standards will be referred to the Office of Student Academic Integrity for full investigation. 0.1 pts Question 1 Academic Integrity Statement In submitting this assessment ... In short ... I confirm that my conduct during this test adheres to the Code of Behaviour on Academic Matters (https://governingcouncil.utoronto.ca/secretariat/policies/code- behaviour-academic-matters-july-1-2019) . I know the Code. ... I confirm that I have not acted in such a way that would constitute cheating, misrepresentation, or unfairness, including but not limited to, using unauthorized aids and assistance, impersonating another person, and committing plagiarism. I didn't cheat. ... I confirm that the work I am submitting in my name is the work of no one but myself. This is my work. ... I confirm that all solutions have been submitted by myself. I submitted the quiz. ... I confirm that I have not received help from others, whether directly or indirectly. I didn't receive help. ... I confirm that I have not provided help to others, whether directly or indirectly. I didn't provide help. ... I confirm that I have only used the aids marked as approved in the " Allowed List " in the Quiz Information Page. I only used allowed aids. ... I am aware that not disclosing another student's misconduct despite my knowledge is an academic offence. I know I must report cheating. Please check all the boxes below to confirm that you didn't commit an academic offence.

8/20/23, 11:00 AM Quiz: Quiz 1 https://q.utoronto.ca/courses/277721/quizzes/287377/take?preview=1 3/9 I know the Code. I didn't cheat. This is my work. I submitted the quiz. I didn't receive help. I didn't provide help. I only used "OK" aids. I know I must report cheating. Note: If you don't select all the boxes below, you will receive 0 on this quiz. 1 pts Question 2 We want to sketch the graph We will start with the graph of a basic function , that you will have to determine, and then we will make several “simple” transformations. Step 1 . Sketch the graph of a basic function f(x)=eˣ Step 2 . Stretch the function vertically to get: g(x)=10f(x) Step 3 . Flip the function vertically (across the axis) to get: h(x)=–g(x) Step 4 . Flip the function horizontally (across the axis) to get: k(x)=h(–x)

8/20/23, 11:00 AM Quiz: Quiz 1 https://q.utoronto.ca/courses/277721/quizzes/287377/take?preview=1 4/9 Step 5 . Make a horizontal shift to get: l(x)=k(x–23) Step 6 . Make a vertical shift to get: m(x)=l(x)–5 1.1 pts Question 3 When the price of a stone was 10¥, the number of workers mining stones was 53. When the price of a stone was 53¥, the number of workers mining stones was 10. On days when 53 stones are mined, their price is 10¥. When 10 stones are mined, their price is 53¥. On a day when 53 workers are mining stones, then they mine 10 stones. On a day when 10 workers are mining stones, then they mine 53 stones. Consider the following functions: is the number of miners working on a day when stones are mined is the price of a stone in yen (¥) on a day when miners are working Suppose both functions are invertible. What is the practical interpretation of 1.4 pts Question 4 Click below to access Desmos:

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