Answer:
4 and 6
Step-by-step explanation:
10 and 8 leave a remainder so can't be equal number of booklet
18 times x = $75
I wasn’t able to find the multiplication sign on my keyboard and didn’t want to confuse you so I replaced x with times
Essentially 11(4d + 6) = 11*4d + 6*11
44d + 66
We assume that the function is as follows:

Then, we have that:

Thus, if we have that:

Therefore, the value for the function is f^-1(2) = -1/2 or