Your questions are:
module 1 - dba 01.08
q1: how can you tell if 2 functions are inverses of each other?

In mathematics, an inverse function (or anti-function) is a function that "reverses" another function: if the function f applied to an input x gives a result of y, then applying its inverse function g to y gives the result x, and vice versa, i.e., f(x) = y if and only if g(y) = x.

Step-by-step explanation:

google it!!

the answer will be b x² +x-1

step-by-step explanation:

pls refer ro the top for answer