Ineed on adding the same numbers but one negative and one positive? !

The amount of energy it takes to lift a box might be a function of which of the following

What is the multiple zero and multiplicity of f(x) = (x ? 3)(x ? 3)(x + 5)? multiple zero is 3; multiplicity is 2 multiple zero is 5; multiplicity is 1 multiple zero is ? 5; multiplicity is 1 multiple zero is ? 3; multiplicity is 2

What is the difference between the equations of a vertical and a horizontal line?