How do you find the inverse of $y=-3x+1$ and is it a function?

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Answer 1 · 2016-03-15T02:11:46

The inverse can be found algebraically by switching the x and y values.

$y = -3x + 1$

$x = -3y + 1$

$x - 1 = -3y$

$-(x - 1)/3 = y$

$-1/3(x - 1) = y$

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

This is a linear relation and therefore a function (all linear relations are functions).

Hopefully this helps!

How do you find the inverse of y=-3x+1y=-3x+1 and is it a function?