What’s the correct answer for this question?

Select the correct answer from each drop down menu

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1