K kellyanne New member Joined Aug 22, 2006 Messages 4 Aug 23, 2006 #1 the problem is: Write for fg and gf and find a) the domain and b) the range of each function 22. f(x)= 2x g(x)=x^2
the problem is: Write for fg and gf and find a) the domain and b) the range of each function 22. f(x)= 2x g(x)=x^2
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,325 Aug 23, 2006 #2 Do you know what function notation means? If f(x) = 2x, then f(0) = 2*0 and f(12) = 2*12 and f(dog) = 2*dog You do f(g(x))
Do you know what function notation means? If f(x) = 2x, then f(0) = 2*0 and f(12) = 2*12 and f(dog) = 2*dog You do f(g(x))
stapel Super Moderator Staff member Joined Feb 4, 2004 Messages 16,550 Aug 23, 2006 #3 kellyanne said: Write for fg and gf... Click to expand... Does "fg" mean "f(x) times g(x)", or "(f compose g) of x"? Thank you. Eliz.
kellyanne said: Write for fg and gf... Click to expand... Does "fg" mean "f(x) times g(x)", or "(f compose g) of x"? Thank you. Eliz.