SOLUTION: This is not from a text book, just handout homework. All that is given is "State the domain of the following: g(x)= 5x/((x^2)+ 25) I tried Factoring the bottom into (x+5)(x-5

Algebra ->  Functions -> SOLUTION: This is not from a text book, just handout homework. All that is given is "State the domain of the following: g(x)= 5x/((x^2)+ 25) I tried Factoring the bottom into (x+5)(x-5      Log On


   

Question 137265: This is not from a text book, just handout homework. All that is given is "State the domain of the following:
g(x)= 5x/((x^2)+ 25)
I tried Factoring the bottom into (x+5)(x-5) but that doesn't work -> (x^2)-25

Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
x^2+ 25 has not real roots so x^2+ 25>0 for all x real
then Domain is Real numbers
Answer: D=R