SOLUTION: How can we express these functions algebraically? The rule of the function f is "add one" and the rule of the function g is "multiply by 3." f (x)= g(x) = (f º g)(x)=

Algebra ->  Functions -> SOLUTION: How can we express these functions algebraically? The rule of the function f is "add one" and the rule of the function g is "multiply by 3." f (x)= g(x) = (f º g)(x)=       Log On


   



Question 905002: How can we express these functions algebraically?
The rule of the function f is "add one" and the rule of the function g is "multiply by 3."

f (x)=
g(x) =
(f º g)(x)=
(g º f)(x)=
Please explain how these are solved.
Thank you

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
f (x)= x+1
g(x) = 3x
(f º g)(x)= (3x)+1 Substitute 3x for x in f(x)
(g º f)(x)= 3(x+1) Substitute (x+1)for x in g(x)