Math 107 – Fall 2019

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QUIZ 3

INSTRUCTIONS

  • This quiz covers Sections 1.6, 1.7, 2, 1, 2.2 and 2.5.
  • 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.

Consider the graph (below) of the function f(x). Answer Problems 1-2.

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Problem 1: Determine the domain and the range of the function.

Problem 2: Use the graph to determine the intervals on which the function is increasing,decreasing, and constant.

Problem 3: Determine algebraically whether the function is even, odd, or neither even norodd.

  (  ) =      −

Problem 4: Jules Pizza charges $13.25 plus $1.95 per topping for their large 14-inch pizza. Julia Pizza charges $14.70 plus $1.70 per topping for the same size pizza. For how many toppings will the two orders cost the same?

Problem 5: Write the slope-intercept form of the equation of the line through the points (-

7,-4) and (7,3).                                  (                )                                               =  ( ).

Problem 6: The=point3   (1,−6)2 is. on the graph of Find the corresponding point inthe graph of

Problem 7: Jules can be paid in one of the two ways for doing yard work:

Plan A: $324 plus $10.75 per hour

Plan B: $25.25 per hour

What is the minimum number of hours for which Plan B is better for Jules?

Problem 8: Let A = (-7, 3) be a point. Find the point B that is symmetric to A with respectto the origin.

Problem 9: Find the point-slope equation of the line with slope m=-3/8 and passingthrough (5,6).

Problem 10: Before taxes, Jules earned $564 one week after working 30 hours at his regularwage, 6 hours at time-and-a-half on Saturday, and 4 hours at double-time on Sunday. What is Jules’ hourly wage?

 
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