A triangle is formed by A(0,1), B(1,0), and C(2,4). Which transformation could map point C to F(4, -2)?
Select one:
Reflection over y axis
Rotation 90 degrees clockwise
-10
Translation down 1 unit
Reflection over x axis

Researchers are conducting experiments to determine the role of alcohol in the development of depression. after the study is complete, they determine that the relative risk of developing depression is 1.55 with a 95 % ci of 1.2 -1.9. each group is then divided into nonsmokers and smokers. the relative risk for the nonsmokers is 1.12 with a 95% ci of 0.87-1.37. the relative risk for the smokers is 1.7 with a 95 % cl of 1.5-1.9. what type of bias may affect this study? a. procedure bias b. recall bias c. selection bias d. confounding e. lead-time bias