A target heart rate T that is half a person's maximum heart rate is given by T=110 - 1/2A where A is a person's age.
(a) What is T for a person 30 years old? 50 years old?
T > 110 - 1/2A
T < 220 - A
Assume that A is between 20 and 60.
(c) Interpret your graph.
See the attached files.
Here is my answer:
The solution provides detailed explanation how to graph system of inequalities and perform operations for linear equations.