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denis23 [38]
2 years ago
7

If f(x) = 5x, what is f -1 (x) ?

Mathematics
1 answer:
Gala2k [10]2 years ago
4 0

Answer:

f^{-1}(x) = \frac{x}{5}

Step-by-step explanation:

f^{-1}\left( x\right)  =y\Longleftrightarrow f\left( y\right)  =x

…………………………

f(y) = x

⇔ 5y = x

\Longleftrightarrow  y =\frac{x}{5}

\Longleftrightarrow  f^{-1}(x) = \frac{x}{5}

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