Posted by **genie** on Tuesday, November 8, 2011 at 3:27pm.

Target Heart Rate (Refer to the preceding exercise.)

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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