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mth.docxMTH/209 Week 5 Practice Quiz
Please note that this course does not have a Week 5 Quiz. The questions that normally would have been on a Week 5 Quiz are on the Final Exam. Use the Week 1-5 Practice Quizzes and the results of your Week 1-4 Quizzes to study for the Final Exam.
1. Find the inverse of (𝑥) if 𝑓(𝑥) = 𝑥−3 5 A. 𝑓−1(𝑥) = 5𝑥 −3 B. 𝑓−1(𝑥) = 𝑥 + 5 3 C. 𝑓−1(𝑥) = 5𝑥 +3 D. 𝑓−1(𝑥) = 3𝑥 −5
2. Select the approximate solution to log3(48). A. 3.5 B. 1.7 C. 0.5 D. 16
3. Select the first five terms in the arithmetic sequence an = 7n, starting with n = 1. A. { 1 7 , 1 14 , 1 21 , 1 28 , 1 35} B. {1, 2, 3, 4, 5}
C. {8, 9, 10, 11, 12} D. {7, 14, 21, 28, 35}
4. Select the first five terms in the geometric sequence an = (3)n-2, starting with n = 1. A. { 1 3 , 1, 3, 9, 27} B. {-3, 1, 3, 9, 27} C. {-3, 0, 1, 3, 9} D. {−1 3, 0, 1, 3, 9}
5. Select the sum of the series ∑ 𝑘3 4 𝑘=1
