Which is the inverses I still don’t get this

asked Oct 23, 2022 219k views

4 votes

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5 votes

Answer:

${ \tt{f(x) = (12)/(x) - 18}} \: and \: { \tt{g(x) = (12)/(x + 18) }}$

Explanation:

${ \tt{f(x) = (12)/(x) - 18}}$

Let inverse be m:

${ \tt{m = (12)/(x) - 18 }} \\ { \tt{x(m + 18) = 12}} \\ { \tt{x = (12)/(m + 18) }} \\ \\ { \boxed{ \sf{f {}^( - 1) (x) = g(x) = (12)/(x + 18) }}}$

Langerhans answered Oct 28, 2022

4.2k points

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