18.) Use properties of limits and algebraic methods to find the limit, if it exists. (If the limit is infinite, enter '?' or '-?', as appropriate. If the limit does not otherwise exist, enter DNE.)

Use properties of limits and algebraic methods to find the limit, if it exists. (If the limit is infinite, enter 'c' or '-co', as appropriate. If the limit does not otherwise exist, enter DNE.) lim 3 (x + h ) 2 - 3x2 h - 0 DNE X