Question

If F(x)=5x/3+5, which of the following is the inverse of F(x)?
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Answer 1

D

Explanation:

To find the inverse we'll switch x and f(x).

That means we have:

x = 5/3 * f(x) + 5

5/3 f(x) = x - 5

f(x) = 3(x - 5)/5