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Instructions: Below are some typical answers students have submitted in the past. Describe the mistake(s) in your own words. What grade (percentage) would you give a student making this mistake? In deciding the grade, consider the following: how ‘big’ is the mistake, how does the mistake compare to the others shown here, are some ‘bigger’ than others? The grey “highighted” part is the final answer. 1. Find the domain of f(x)=x2−5x+610−2x and write it in interval notation. x2−5x+6=0(x−6)(x+1)(−∞,−1)∪(−1,6)∪(6,∞) 2. Find the domain of f(x)=x2−5x+610−2x and write it in interval notation. 10−2x≥0−2x≥−10x≥5 x2−5x+6=0(x−3)(x−2)=0x=3 and x=2 3. If a student had only shown the value that is highlighted and nothing else, what grade would you give them?
QUIZ03-GradeMe (MAT17lsection: PRINT your FULL Name: Show your work in a clear and understandable way with enough detail so that your instructor can more easily assess your mastery over these concepts. Please review the General Grading Rubric on BlackBoard to better understand how your work will be assessed. 4. Find the domain of f(x)=x2−5x+610−2x and write it in interval notation.
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