You multiply it to find the answer
Answer:

Step-by-step explanation:
<h2><u>Lesson : Reducing by factors:</u></h2><h2><u /></h2>
Given :


When you have to reduce a number by a certain factor, you must divide the area with the amount that it is reducing from, therefore,


Answer:
B. (negative infinity, -1)
4 because you take 2²= 2 times 2 = 4