• fkpp1744
• 18

This preview shows page 1 - 6 out of 18 pages.

4/15/2021 Graded Exam #4 1/18 MAT101_MH_V6 | Topic 14: Solving Linear Systems Using Augmented Matrices (877) 787-8375 HELP CENTER Question 1 Correct 8.75 points out of 8.75 Started on Thursday, April 1, 2021, 9:40 AM State Finished Completed on Thursday, April 1, 2021, 11:10 AM Time taken 1 hour 30 mins Grade 157.50 out of 175.00 ( 90 %) Solve the problem. An on-demand printing company has monthly overhead costs of $1,900 in rent,$450 in electricity, $80 for phone service, and$230 for advertising and marketing. The printing cost is $40 per thousand pages for paper and ink. The average cost for printing x thousand pages can be represented by the function ¯ C ( x ) = 2 , 660 + 40 x x . For a given month, if the printing company could print an unlimited number of pages, what value would the average cost per thousand pages approach? What does this mean in the context of the problem? Select one: a. The average cost would approach$0 per thousand pages. The more pages the company prints, the lower the average cost. b. The average cost would approach in±nity. The more pages the company prints, the higher the average cost. c. The average cost would approach $40 per thousand pages or equivalently$0.04 per page. This is the cost per page in the absence of ±xed costs. d. The average cost would approach \$2,660 per thousand pages. This is the total of the ±xed monthly costs.
4/15/2021 Graded Exam #4 2/18 Question 2 Correct 8.75 points out of 8.75 Graph the function. f ( x ) = $$\frac{4x}{x^2-4x-5}$$ Select one: a. b.
4/15/2021 Graded Exam #4 3/18 c. d.
4/15/2021 Graded Exam #4 4/18 Question 3 Correct 8.75 points out of 8.75 Graph the function. f ( x ) = $$\frac{x^2+6x+9}{x}$$ Select one: a. b.
4/15/2021 Graded Exam #4 5/18 Question 4 Correct 8.75 points out of 8.75 c.
• • • 