What is the zero of the following function ? a) x=5 b) x=1 c) x=-1 d) x=-5

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?

What is the y intercept of f(x)=(1/2)^x?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way