I think the answer is the one in the bottom right.
Answer:
The answer will be 10
Step-by-step explanation:
15/3*4/2
5*2
=10
This is an observational study and the conclusion of the researcher is not justified.
<h3>Controlled experiment</h3>
A controlled experiment is such that all the other factors in the experiment are kept the same except the variable that is being studied. This study is not a controlled experiment is not a controlled experiment because other factors that could affect the study were not carefully controlled.
This is an observational study. The conclusion of the researcher is not justified because other factors such as diet which could affect the blood pressure were not taken into account.
Learn more about controlled experiment: brainly.com/question/4444046
There are multiple ways that you could graph this quadratic equation.
I would start by finding the vertex. The x-value in the vertex is found with -b/2a. The take you value and input back into the equation to find the y-value of your vertex.
Then, you could make a list of points on both sides of the vertex to create a table with which to create the parabola.