# MATH107 UMUC Quiz 5.pdf - MATH 107 QUIZ 5 Summer 2018...

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MATH 107 QUIZ 5 Summer 2018 Instructor: NAME: I have completed this assignment myself, working independently and not consulting anyone except the instructor. INSTRUCTIONS The quiz is worth 100 points, open book and open notes , but you must work independently and may not consult anyone (and confirm this with your submission). You may take as much time as you wish, provided you turn in your quiz no later than the due date Show work/explanation where indicated. Answers without any work may earn little, if any, credit. Scanned work as a PDF is preferred. If you have any questions, please contact me by e-mail 1. (10 pts) Draw two graphs. One that is A) a one-to-one function and B) a function but not one- to-one. (A) ?(?) = ? 2 (B) ?(?) = 𝑥−3 𝑥 3
2. (6 pts) Based on data about the growth of invasive mimosa trees, the following logarithmic model h(t) about these trees was determined where t = age of tree in years and h ( t ) = height of tree, in feet. (Note: "ln" refers to the natural log function). Using the model, answer the following.