# Advanced Functions - Grade 12

posted by
**Nish**
.

The function C (t) = 0.16t/t^2 + t + 2 models the concentration, C, in milligrams per cubic centimetre, of a drug entering the bloodstream over time, t, in minutes.

a) Sketch the graph of the relation.

b) Explain the shape of the graph in the context of the concentration of the drug in the bloodstream.