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math question week 8 part 2

what is the inverse operation of x/3?


f(x)= x/3 and the inverse of f(x) is ?
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1 Answer

To find the inverse of a function, switch the x and y and then solve for y.
y = x/3 switches to x = y/3.
To solve for y, multiply both sides by 3 to get 3x = y.
The inverse of f(x) = x/3 is f-1(x) = 3x.