The factors of 4 are 1, 2, and 4 .
The factors of 9 are 1, 3, and 9 .
Answer:
D
Step-by-step explanation:
Answer:
300%
Step-by-step explanation:
Given

Required
Find the percentage change in y when x decreased by 50%
First, convert to equation

Where k is the constant of proportionality
When x decreased by 50%



Expand

Substitute
for y



The percentage change is then calculated as:





<em>The percentage in y is 300%</em>
1. =7
2.=19
Please let me know if you got it correct!