for the given function f and g, find the specified value of the function. State the domain:

f(x)=2x-5; g(x)=7x-9

a. (f-g)(x)=
b.(f/g)(x)=

I need help!

just sub in your expressions

(f-g)(x) = 2x-5 - (7x-9) = -5x + 4
(f/g)(x) = (2x-5)/(7x-9)