Given the function f(x) = 8x^3-3x^2-5x+8 what part of the function indicates that the left and right ends point in the opposite direction?

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?

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

When you find the area of a triangle do you use in. or in2