SOLUTION: find (f . g)(x) and (g . f)(x) for each function f(x)=-6x+9, g(x)=5x+7 f(x)=4x^2+2x+8, g(x)= x+5 f(x)=2/x^4, g(x)=2square root x+2 f(x)=8x+12, g(x)=3x-1 f(x)=5x+3, g(x

Algebra ->  Expressions -> SOLUTION: find (f . g)(x) and (g . f)(x) for each function f(x)=-6x+9, g(x)=5x+7 f(x)=4x^2+2x+8, g(x)= x+5 f(x)=2/x^4, g(x)=2square root x+2 f(x)=8x+12, g(x)=3x-1 f(x)=5x+3, g(x      Log On


   

Question 38251: find (f . g)(x) and (g . f)(x) for each function
f(x)=-6x+9, g(x)=5x+7
f(x)=4x^2+2x+8, g(x)= x+5
f(x)=2/x^4, g(x)=2square root x+2
f(x)=8x+12, g(x)=3x-1
f(x)=5x+3, g(x)=-x^2+4x+3
f(x)=1/x, g(x)=8x^2-6
Answer by lyra(94) About Me  (Show Source):
You can put this solution on YOUR website!
PLEASE ONLY PUT one QUESTION IN EACH SUBMISSION!!!
I will solve the first one, then try the rest on your own, if you have queries after that e-mail them AND your work to me at alexusbandona@yahoo.com
find (f . g)(x) and (g . f)(x) for each function
f%28x%29=-6x%2B9, g%28x%29=5x%2B7
if for f x=+5x%2B7 then:
f%285x%2B7%29=-6%285x%2B7%29%2B9
f%285x%2B7%29=-30x-42%2B9
f%285x%2B7%29=-30x-33
Hope this helps and feel free to contact me with further questions,
lyra