HELP if f(x)=-14x-2, then f^-1(x)=?

1 answer:

7 0

Replace f(x) with y. Then swap x and y. Once the swap has been done, solve for y to get the inverse.

$f(x) = -14x - 2$

$y = -14x - 2$

$x = -14y - 2$

$x+2 = -14y$

$-14y = x+2$

$y = -\frac{x+2}{14}$

$f^{-1}(x) = -\frac{x+2}{14}$

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