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If f(x)=3x, what is f-'(x)?
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If f(x)=3x, what is f-'(x)?

User Parag Badala
by
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1 Answer

3 votes

Answer:

f^-1(x)= 1/3 x

Explanation:

y = 3x

To find the inverse, exchange x and y

x = 3y

Solve for y by dividing by 3 on each side

x/3 = 3y/3

1/3x = y

The inverse is 1/3x

User Chris Magnussen
by
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