Answer:
0 and -4
Step-by-step explanation:
We have been given the following functions;
f(x) = 1/x
g(x) = x^2 + 4x
The first step would be to evaluate the composite function fºg.
fºg = f[g(x)]. We substitute g(x) in place of x in f(x)
fºg =
This is clearly a rational function which will be defined everywhere except where the expression in the denominator will be equal to 0.
We solve for x;
Therefore, the two numbers that are not in the domain of fºg are 0 and -4