Find the following for the given functions.\
f(x) = x\textsuperscript{2}, g(x) = 3x - 5\
(a) (f+g)(x) = \
(b) (f-g)(x) = \
(c) (fg)(x) = \
(d) \left(\frac{f}{g}\right)(x) = \
What is the domain of $\frac{f}{g}$? (Enter your answer using interval notation.)