2002
Mathematics
JAMB
The inverse function f(x) = 3x + 4 is
A.
(x-4)/3
B.
(x-5)/5
C.
(x+3)/4
D.
(x+4)/3
Correct Answer: (x-4)/3
Explanation
Let y = f(x). Y = 3x + 4 ⟹ x = y−4/3 Replace y with x. Y = x−4/3
Let y = f(x). Y = 3x + 4 ⟹ x = y−4/3 Replace y with x. Y = x−4/3THIS WEEK's
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