According to the American Geriatric Society, the maximum recommended heart rate for a 20-year-old man under stress is 200 beast per minute. The maximum recommended heart rate for a 60-year-old man under stress is 160 beats per minute.

(a) Find the linear function that relates that maximum recommended heart rate for men to age.

(b) Find a linear function that relates the maximum recommended heart rate for a 45-year-old man under stress.

(c) Interpret the slope.

(d) For what age would the maximum recommended heart rate under stress be 168 beats per minute?

Question

Jeremy Woods

Mathematics

19 October, 23:29

According to the American Geriatric Society, the maximum recommended heart rate for a 20-year-old man under stress is 200 beast per minute. The maximum recommended heart rate for a 60-year-old man under stress is 160 beats per minute.

(a) Find the linear function that relates that maximum recommended heart rate for men to age.

(b) Find a linear function that relates the maximum recommended heart rate for a 45-year-old man under stress.

(c) Interpret the slope.

(d) For what age would the maximum recommended heart rate under stress be 168 beats per minute?

+3

Answers (1)

Know the Answer?

Sandra Valencia · Answer 1

A) H (x) = 220 - x

b) H (45) = 220 - 45 = 175

c) the slope is the amount the max heart rate goes down per year

d) 168 = 220 - x

x = 220 - 168 = 52 years old