Answer:
15.5
Step-by-step explanation:
35 - 4 = 2w
31 = 2w
w = 15.5
Hey there!!
f(x) is basically ' y '
In order to inverse a equation, we will need to switch the values of x and y
The equation :

Now switching the positions :




This is the inverse.
Hope my answer helps!
It’s basically and staright line going in the middle and u have to plot the cordon ate
7 books with a cost of 28$ then a 2$ charge which will put him right at 30
The answer to ur question is d: 6x6x6x6