Find (f•g)(x) for the given functions: f(x) = 5/x and g(x) = 3 + x/5.

(f•g)(x) = (15 + x)/x

Explanation:
F(x) = 5/x and g(x) = 3 + x/5

Then (f•g)(x) = 5/x • 3 + x/5

(f•g)(x) = 5/x • 15/5 + x/5

(f•g)(x) = 5/x • (15 + x)/5

(f•g)(x) = 5(15 + x)/5x

(f•g)(x) = (15 + x)/x

127 millimeters is the answer