SOLUTION: For the real-valued functions f(x) =4x+5 and g(x) = √x-4 find the composition f∘g and specify its domain using interval notation. f∘g (x) = Domain of f∘

Algebra ->  Exponents-negative-and-fractional -> SOLUTION: For the real-valued functions f(x) =4x+5 and g(x) = √x-4 find the composition f∘g and specify its domain using interval notation. f∘g (x) = Domain of f∘      Log On


   

Question 1066046: For the real-valued functions f(x) =4x+5 and g(x) = √x-4 find the composition f∘g and specify its domain using interval notation.
f∘g (x) =
Domain of f∘g:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
It is 4 (sqrt(x-4)+5 (edited with the square root of both)
The domain is [4,oo). Note, if it were sqrt (x) -4, then the domain would be all non-negative real numbers.
y=+4%28sqrt%28x-4%29%2B5+%29