Respuesta :

Answer:

Answer: B

Step-by-step explanation:

[tex]f(x) = \frac{12}{x} - 18 \\ [/tex]

let its inverse be m :

[tex]m = \frac{12}{x} - 18 \\ \\ m + 18= \frac{12}{x} \\ \\ x = \frac{12}{m + 18} \\ \\ { \boxed{ \boxed{f {}^{ - 1}(x) = \frac{12}{x + 18} }}}[/tex]

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