Answer:
2+2= 4
Step-by-step explanation:
just have a scenario like : you have two apples and your friend brings two more apples when you count them all, there are four apple
Answer:

Step-by-step explanation:
Given f(x)=
We have to find 
In order to find
we have to make x as the subject of the formula
Let us assume f(x)=y
⇒
Subtracting both sides by 5


Dividing both sides by 2

⇒
Now substituting y with x
we have 
Now 
=
So option (ii) is correct