SOLUTION: Consider the function F(x)=x^2-5, g(x)=2x+1 Find the domain for f g and for g f in interval notation , and simplify the formula

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Consider the function F(x)=x^2-5, g(x)=2x+1 Find the domain for f g and for g f in interval notation , and simplify the formula       Log On


   

Question 1185852: Consider the function
F(x)=x^2-5, g(x)=2x+1
Find the domain for f g and for g f in interval notation , and simplify the formula
Answer by greenestamps(13216) About Me  (Show Source):
You can put this solution on YOUR website!


"f g" and "g f" are not standard notation; we don't know what those function are.

(f*g)(x) and (g*f)(x)?
(f(g(x)) and g(f(x))?
or even
(f+g)(x) and (g+f(x)
etc., etc....

Re-post so we know what the problem is.