**INSTRUCTIONS**

· This quiz covers Sections 5.1-5.3, 0.9, 6.1 and 6.5

· Please only use the Answer Sheet either to type your work or if you prefer to write your work and scan it. Be sure to include your name in the document.

· Consult the **Additional Information** portion of the online Syllabus for options regarding the submission of your quiz. If you have any questions, please contact me by e-mail (Jules.Kouatchou@faculty.umuc.edu) with MATH 107 in the subject heading.

UMUC © Math 107 6399 – Fall 2019 OL1 Jules Kouatchou

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10

**Problem 1:** A city swimming league determines that the cost per person of a group swim lesson is given by the formula:

where x is the number of people in the group and C(x) is in dollars.

a) Compute C(5), C(8) and C(10).

b) Compute

**Problem 2:** Find:

**Problem 3:** Solve the equation**:**

**Problem 4**: Find the domain of the function:

**Problem 5:** Solve the equation:

**Problem 6: **Given that and ,

a) Find the expression of

b) Compute

**Problem 7: **Solve the equation:

**Problem 8**: Solve the equation**:**

**Problem 9**: Perform the operation and simplify:

**Problem 10:** Determine is the function represented by the graph below is one-to-one (explain your answer):

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