Question

Find the inverse of the function:
f(x) = 3x + 6
​

Answer 1

Answer:

      x = -2

Step-by-step explanation:

Pull out like factors :

  -3x - 6  =   -3 • (x + 2)

Solve :    -3   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solve  :    x+2 = 0

Subtract  2  from both sides of the equation :

                     x = -2

Answer 2

The inverse of the funtion is f^-1(x)= x-6 over 3

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