Answer:

Step-by-step explanation:
I am going to assume that by "f-1(x)" you mean
, which makes this an inverse function problem. To find the inverse of a function, simply swap x and y, then solve for y.

For example, if your fraction was 1 1/2, you would graph it on the x axis halfway between 1 and 2
Answer:
37.5 +25.5
Step-by-step explanation:
37.5+25.5 = 63
37.5-25.5 = 12
Answer:
5
Step-by-step explanation: