## College Algebra (6th Edition)

$(-∞,0)∪(0,3)∪(3,∞)$
Making $x=0,3$ results in an undefined function, so those values are excluded from the domain. $h(x)=\frac{4}{\frac{3}{x}-1}$ $(-∞,0)∪(0,3)∪(3,∞)$