View the step-by-step solution to:


Please explain which answer is correct and why from the attached picture. Thank you!

src="/qa/attachment/11093942/" alt="Calculus Question 2.png" />

Calculus Question 2.png

Let C(T) be the cost to heat a particular home, in dollars per day, when the outside temperature is T degrees Fahrenheit. Suppose it costs $22 to heat a home for one day when the outside temperature 20 degrees Fahrenheit.
Choose the mathematical expression that matches this statement. Is the derivative of 0 positive, negative or zero at this temperature? 0 C(22) : 20, C’(20) < 0.
0 C(20) = 22,C’(20) < 0.
0 C(20) = 22, C’(20) = 0. o C’(20) : 22. C' (20) > 0. 0 C(22) = —20, C' (20) > 0.

Top Answer

The correct option is: C (... View the full answer

Sign up to view the full answer

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question