Chose an ordered pair for (x, y) that could be added to the table of values so that the relationship between x and y is no longer a function.

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

Math each whole number with a rational, exponential expression

Math i have no idea how to do a and b