SOLUTION: determine if g is the inverse of f. f(x)=3x + 5; g(x)=1/3x - 5/3

Algebra ->  Functions -> SOLUTION: determine if g is the inverse of f. f(x)=3x + 5; g(x)=1/3x - 5/3      Log On


   



Question 821116: determine if g is the inverse of f.
f(x)=3x + 5; g(x)=1/3x - 5/3

Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
g%28f%28x%29%29=g%283x%2B5%29=%283x%2B5%29%2F3-5%2F3=x
f%28g%28x%29%29=f%28%281%2F3%29x+-+5%2F3%29=3%28%281%2F3%29x+-+5%2F3%29+%2B+5=x

yes they are inverses of each other