Question

With aging body fat increases in muscle mass declines a graph to the rate shows the percent of body fat in a group of adult women and men as they age from 25 to 75 years age is representing along the X excess and percent body fat is represented along the Y axis use the interval notation to give the dominant and range for the graph of the function for men.

Answer 1

looking at the graph, we see that the range of the function is (25,75)

as the domain is the set of x values

the range is (20,40) , the set of y values

this is the domain and range for the whole function

for men only,

the domain is stil (25,75)

but the range is (20,28)