If -1 is a root of f(x), which of the following must be true?

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Two positive integers are 3 units apart on a number line. their product is 108. which equation can be used to solve for m, the greater integer? m(m – 3) = 108 m(m + 3) = 108 (m + 3)(m – 3) = 108 (m – 12)(m – 9) = 108

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9