# find the domain of the composite function f*g

• Nov 24th 2008, 05:01 PM
baily_miller
find the domain of the composite function f*g
f(x)=4x+4; g(x)=x+5
• Nov 24th 2008, 05:08 PM
skeeter
$f[g(x)] = f(x+5) = 4(x+5) + 4$

domain of the composite function looks like the range of g(x).