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If f(x) = 4x + 5, what is the inverse of F(x)?
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If f(x) = 4x + 5, what is the inverse of F(x)?

User Cliff Viegas
by
5.3k points

1 Answer

3 votes

Answer:

f^-1(x) = 1/4 x - 5/4

Explanation:

f(x) = 4x + 5

y = 4x + 5

x = 4y + 5

4y = x - 5

y = 1/4 x - 5/4

f^-1(x) = 1/4 x - 5/4

User Eivind
by
5.3k points
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