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4 votes
If F(x) = 4%-3, which of the following is the inverse of F(x)?

User BEPP
by
5.6k points

1 Answer

6 votes

I assume you meant to type x for %.

If not, basically back-substitute at the end of the solution.

F(x) = 4x - 3

Let y = F(x)

y = 4x - 3

x = 4y - 3

x - 3 = 4y

(x - 3)/4 = y

Let y = F^(-1)x

F^(-1)x = (x - 3)/4

If you want % in your answer, just replace x for % in your answer.

User Nalawala Murtaza
by
7.2k points
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