Posted by laila on .
for the given function f and g, find the specified value of the function. State the domain:
f(x)=2x5; g(x)=7x9
a. (fg)(x)=
b.(f/g)(x)=
I need help!

pre calculus 
Reiny,
just sub in your expressions
(fg)(x) = 2x5  (7x9) = 5x + 4
(f/g)(x) = (2x5)/(7x9)