Question

The amount of a medication remaining in patients' bloodstreams was monitored over the course of two days. The equation ŷ = 400(0.72)x models the predicted number of milligrams, ŷ, remaining x hours after taking the medication. Interpret the percent rate of change in the context of the problem.

The medication is predicted to lose about 28% of its quantity each hour after taking it.
The medication is predicted to lose about 72% of its quantity each hour after taking it.
The medication is predicted to lose 28 milligrams each hour after taking it.
The medication is predicted to lose 72 milligrams each hour after taking it.

Answer 1

Since you multiply by .72, you're losing 28% of the medication each hour.

Answer 2

Thank you