2*2*2*x=28. 8x=28. x=28/8
Divide Numerator and Denominator by 5
3445 / 5 = 689
15 / 5 = 3
689/3
Answer:
For A the answer is 18. B is 24. And C is 45

We are to find the value of

First we need to find the inverse of f(x) . The inverse of

is

.
Steps to find inverse of f(x) are shown below in the image.
So

=
Therefore, the correct answer is option C
Look at the picture.

The perimeter of the triangle: