Question
4x Which of the following represents the inverse of f(x)=4^x-1+2 A f^-1(x)=log_(4)(x-2)+1 B f^-1(x)=log_(4)(x+2)+1 C f^-1(x)=log_(4)(x-2)-1 D f^-1(x)=log_(4)(x+2)-1
Solution
3.6
(294 Votos)
Maxeline
Mestre · Tutor por 5 anos
Resposta
To find the inverse of the function
, we need to follow these steps:1. Replace
with
:
2. Swap
and
:
3. Solve for
: - Subtract 2 from both sides:
- Take the logarithm base 4 of both sides:
- Add 1 to both sides:
Therefore, the inverse of
is
. So, the correct answer is A
.