D. f-1(x) = x-4/6
Explanation:
y = 6x + 4
-4
y-4 = 6x
÷6
y-4/6 = x
(Swap y and x around to find the inverse)
Inverse will be:
x - 4/6 = y
So, f-1(x) = x-4/6
Hope this helps!
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