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WINSTONCH [101]
3 years ago
12

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

Mathematics
2 answers:
frez [133]3 years ago
7 0

Answer:

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

Step-by-step explanation:

f(x) = 5x

To find f^-1(x) equate f(x) to y

That's f(x) = y

y = 5x

Interchange the variables

x = 5y

Make y the subject by dividing both sides by 5

y = x/5

The final answer is

f^-1(x) = x/5

Hope this helps you.

Ludmilka [50]3 years ago
4 0

Answer:

f^-1(x) = _x__

               5

Step-by-step explanation:

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