For the sequence 2,6,10,14. write the recursive rule, and a explicit rule

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 of the following three dimensional figures has a circle as it’s base

Find the zeros of each function. f(x) = x^2 + 5x - 6