I have some problems that I need help with please. Thanxs!

Find the domain of the function.

1. f(x)=-8x-2

Given fuctions f and g, perform the indicated operations.

2. f(x)=4x-9 g(x)=7x-3
find f - g.

Given the functions f and g, determine the domain of f + g.

3. f(x)=2x/x-3 , g(x)=3/x+6

1 answer

I will be happy to critique your work or thinking on this.