approximately how long will it take for the amount of medicine in the patients bloodstream to decrease to 1% of its inital amount?

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

What is not true about kl and mn? what is mn? (show )

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values