2 years ago

If f(x) = -x-2, what is /(x)?

1 answer:

7 0

9514 1404 393

Answer:

(a)

Step-by-step explanation:

To find the inverse function, solve ...

x = f(y)

$x = f(y)\\\\x=\dfrac{1}{9}y-2\\\\x+2=\dfrac{1}{9}y\\\\9(x+2)=y\\\\y=9x+18\\\\\boxed{f^{-1}(x)=9x+18}$

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