Problema Solution
During a workout, Vince tries to keep his heart rate at 134 beats per minute. His actual heart rate varies from this value by as much as 8 beats per minute. Write and solve an absolute-value inequality to find Vince's range of heart rates.
Answer provided by our tutors
let 'x' represents Vince's heart rate
His actual heart rate varies from 134 beats per minute by as much as 8 beats per minute:
|134 - x| <= 8
by solving we find:
x <= 142
x >= 126
click here to see the step by step solution of the inequality:
Vince's range of heart rates is in the interval [126, 142].