What does the coefficient of the variable of 4x2 + 9 mean in terms of this problem? Hint: The coefficient of the term 4x2 is 4.

What does the constant term in the polynomial 4x2 + 9 represent?

Hint: The constant term is 9.

I promise on my end to give brainliest for anybody who can answer these correct!Hint:

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