Answer:
1. -4x < 8
2. 4x < 8
3. When something is done to one side of the equation, the same thing must be done to the other side. Dividing each side by -4 in part A would cause the sign to flip because the sign is always flipped when dividing by a negative. Because 4 in 4x (part B) is not negative, the sign is not flipped.
Step-by-step explanation:
Hope this helped!!
Answer:
If the limit that you want to find is
then you can use the following proof.
Step-by-step explanation:
Let
and
be the given polinomials. Then

Observe that

and

Then

We can separate the shape into a rectangle and a square
the area of the rectangle :

the area of the square:

the area of the whole shape:

hope this helps