interval notation
Complete the following question:
1) Given that f(x)= sqrt(4x+6) and g(x) = (x-1)/x, find the following functions and express their domains in interval notation.
a. (f + g)(x) = _________, its domain is ________
b. (f/g)(x) = __________, its domain is________
c. (g/f)(x) = __________, its domain is __________
d. (f [of] g)(x) = _________, its domain is _________