Linear equation and system of inequalities
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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?
(b) Sketch a graph of the system of inequalities.
T > 110 - 1/2A
T < 220 - A
Assume that A is between 20 and 60.
(c) Interpret your graph.
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Solution Summary
The solution provides detailed explanation how to graph system of inequalities and perform operations for linear equations.
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Here is my answer:
(a) T=110-1/2*A.
A=30, T=110-1/2*30=95.
A=50, ...
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