PreCal(Please help)
posted by Hannah on .
Determine the domains of (a)f and
(b) f X g
f(x) = 1/x g(x)= x + 3
For the domain of f I had x > 0 and for f X g I had all real numbers but this was wrong.

1/(x+3)
domain everywhere on x axis except x = 3 where the denominator is zero.