Find the domFind the domain of (f + g)(x) when f(x) = 9 - 8x and g(x) = -2x + 7.ain of (f + g)(x) when f(x) = 9 - 8x and g(x) = -2x + 7.

Ineed with number 17 i don’t get it at alll

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?

Factor the expression using gcf 9b+45