SOLUTION: find f^-1(x) and graph f(x) and f^-1(x) on the same axis. y=f(x)=-3x-5

Algebra ->  Graphs -> SOLUTION: find f^-1(x) and graph f(x) and f^-1(x) on the same axis. y=f(x)=-3x-5      Log On


   

Question 823737: find f^-1(x) and graph f(x) and f^-1(x) on the same axis.
y=f(x)=-3x-5
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

y = f(x)= -3x-5     |Substituting y for x

 x = -3y - 5 

f%5E%28-1%29%28x%29=+-x%2F3+-+5%2F3++