1 Answer

Jacobhyphenated · Answer 1 · 2021-04-11T10:38:08+0000

$f(x) = (10)/(9)x + 11 \\$

So :

$y = (10)/(9)x + 11 \\$

Subtract the sides of the equation minus 11

$y - 11 = (10)/(9)x \\$

Multiply the sides of the equation by 9

9(y - 11) = 10x

9y - 99 = 10x

Divided the sides of the equation by 10

$(9y - 99)/(10) = x \\$

So :

${f}^( - 1)(x) = (9x - 99)/(10) \\$

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And we're done.

Thanks for watching buddy good luck.

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