Question

find the domain of the composition f of g

Answer 1

F(x)= x^2-64, G(X)=2x+3

Answer 2

could u get f(g(x)) ?

Answer 3

yes i got (2x+3)^2-64

Answer 4

right
thats a polynomial
and domain of any polynomial is always "ALL REAL NUMBERS"

Answer 5

the domain of f(g) consists of all the range of g that are in the domain of f

so the intersection of domain(f) and range(g) gives us all the usable range values of g to determine domain values from g(x) ....

Answer 6

since the domain of f is R and the range of g is R

RuR = R, which tells us that there are no restrictions to the domain of g(x) to worry about

Answer 7

RnR ... edit