Answer:
a
Step-by-step explanation:
i took the test
Given
f(x) = 3x - 2
f^-1(x) = ?
Now
Let y = f(x)
or y = 3x - 2
Interchanging the role of x and y
x = 3y - 2
x + 2 = 3y
y =( x + 2 ) / 3
Therefore f^-1(x) = [tex]\frac{x+2}{3}[/tex]
Hope it helps.
