If $f(x) = \frac{3x+2}{5}$ what is the value of $\left[f^{-1}(4)\right]^{-1}$?
Question:
If $f(x) = \frac{3x+2}{5}$ what is the value of $\left[f^{-1}(4)\right]^{-1}$?
Answer:
Let's think step by step.

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\frac16
If $f(x) = \frac{3x+2}{5}$ what is the value of $\left[f^{-1}(4)\right]^{-1}$?
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