[10 marks) 5. An electricity company charges its customers a base rate of $15 a month…

[10 marks) 5. An electricity company charges its customers a base rate of $15 a month plus 8 cents per kilowatt-hour (kWh) for the first 1200 kWh and 12 cents per kWh for usage over 1200 kWh. Write the cost, C, in dollars as a function of x, the number of kWh used for 05x< 1500 and graph the function [8 marks] 6. A certain paper book sells for $25. The author receives a royalty of 12% on the first 5000 copies sold, 15% on the next 10000 copies sold, and 20% for any additional copies sold. Write R, the amount of royalties in dollars as a function of x, the number of copies sold. [12 marks] 5x+2 (4 marks) (4 marks) (4 marks) 7. For the function f(x) a. Show that it is one-to-one. b. Find the inverse, f-(). c. Check that f(-'(x)) = x. (10 marks 1000 (4 marks) 8. Suppose that the population of a certain species is given by P(t) = where t is given in years. a. Find the inverse of P. b. Use the inverse in a. to find the time required for the population to reach 800. c. What happens to the population as time goes on, i.e. as (4 marks) (2 marks)

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
The price is based on these factors:
Academic level
Number of pages
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more