HW help: please answer all 3 questions thoroughly. Thanks!! PS: this is Advanced Precalculus.

Module 2: Graphs of Polynomial and Rational Functions Topic 4 Application: Rational Functions and Their Graphs Using your knowledge of rational functions, provide the correct answers to the following questions. Make sure to completely answer each question and to show all of your work. Chemistry An important factor in determining the safety and effectiveness of medication is its concentration in the human body over time. It may be unsafe to have a high concentration for an extended period of time. On the other hand, if the concentration dissipates too quickly, the medication may not be effective. The body concentration, C, in parts per million (ppm) of a certain medication / hours after its administration may be represented by the function: 0.72t + 800 C (t) = - 6t + 8 . 123 1. Create a table of values and graph the function. (2 points) 2. Does the function have any asymptotes or points of discontinuity? If so, where? (2 points) 3. Describe the end behavior of the function. What does this mean? (2 points)