Answer:
B. f-1(x) = (x - 4)/5.
Explanation:
Let y = 5x + 4
5x = y - 4
x = (y - 4)/5
f-1(x) = (x - 4)/5.
The anwser is C
the inverse of 5x is x/5 and the inverse of +4 is -4 so the answer would be x-4/5
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