What does the 500 mean in a =500 • 3/4 t where t is the number of hours since the patient took the medicine.

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

For the inequality |c| < |d| to be true, which of the following must be true?