Question

If f(x) = -x-2, what is /(x)?
Of (x) = 9x + 18
orf(x) 5x+2
Of(x) = 9x + 2
O x(x) = –2x+
+

Answer 1

9514 1404 393

Answer:

  (a)

Step-by-step explanation:

To find the inverse function, solve ...

  x = f(y)

__

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