400021013 400021013

22-05-2020
Mathematics

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

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wegnerkolmp2741o wegnerkolmp2741o

22-05-2020

Answer:

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

Step-by-step 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

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