Answer:The function is nonlinear
Step-by-step explanation:
I believe you would first distribute within the parentheses and then make it so A and B are the only things on the left side and I and the other random characters are on the right.
These are not similar. For them to be similar, they need to exist in proportion to each other for every single side. The ratio of the 12:9 sides is 4:3 when reduced. The ratio of the other 2 sides is 5:3. They all have to have the same ratio for them to be similar.