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If f(x) = 5x, what is f^-1(x)? PLEASE HELP!!

If f(x) = 5x, what is f^-1(x)? PLEASE HELP!!
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If f(x) = 5x, what is f^-1(x)?

PLEASE HELP!!

If f(x) = 5x, what is f^-1(x)? PLEASE HELP!!-example-1
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User BlueTune
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7.9k points

1 Answer

2 votes

Answer:

Option 3

Explanation:

to get inverse function, swap x and y first:

f(x)=5x : y=5x --> x=5y

solve for y: y=1/5 x

use inverse notation: f^-1(x)=1/5 x

answered
User Amit Parashar
by
8.3k points
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