A study of a new medication found that patients who took the medicine have reduced blood pressure, compared to those who did not take the medicine. The research team
concluded that the medicine caused the reduction in blood pressure. Which study design did they most likely use?

They most likely used an experiment with patients randomly assigned to take the medicine or not take the medicine

Step-by-step explanation:

I got it correct on my test for sure!

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8

the answer is 13/48

step-by-step explanation: