What type of intrinsic value or backing does U.S. currency have today?

Kaitlyn and Larissa have formed a dog bathing and grooming business. The number of dogs they can bathe or groom in any given day is depicted in Table 2.1. As they groom more dogs, the opportunity cost of grooming additional dogs

A) rises. B) falls. C) remains constant. D) depends on the prices being charged.

Which of the following statements is false?

A) A straight line has a slope of zero. B) A curved line has slope values that change at every point. C) A direct relationship has a positive slope value. D) An inverse relationship has a negative slope value.