SOLUTION: Which of the following is the inverse of the function below? Inverse & Function: http://postimg.org/image/dqcod3z8r/ A B C D ?

Algebra ->  Functions -> SOLUTION: Which of the following is the inverse of the function below? Inverse & Function: http://postimg.org/image/dqcod3z8r/ A B C D ?      Log On


   

Question 1036877: Which of the following is the inverse of the function below?
Inverse & Function: http://postimg.org/image/dqcod3z8r/
A
B
C
D
?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=%283x-5%29%2F2
Use x,y.
y=%283x-5%29%2F2
Interchange x and y and solve for y.
That new y is the inverse.
x=%283y-5%29%2F2
2x=3y-5
3y=2x%2B5
y=%282x%2B5%29%2F3
g%28x%29=%282x%2B5%29%2F3