The Sprinters on a Track Team Use the Following System

Multiple Choice

The sprinters on a track team use the following system of inequalities to determine their targeted exercise heart rate ranges for their workouts. In this system, y is the person s exercise heart rate in beats per minute and x is the person s age in years. Use the system of inequalities to determine the targeted exercise heart rate range for a sprinter who is 23 years old. Round the minimum and maximum targeted heart rates to the nearest beat per minute.

A) between 197 and 202 beats per minute
B) between 99 and 108 beats per minute
C) between 174 and 178 beats per minute
D) between 87 and 98 beats per minute
E) between 99 and 108 beats per minute.