Use properties of limits and algebraic methods to find the limit, if it exists. (If the limit is infinite, enter 'co' or '-co', as appropriate. If the limit does not otherwise exist, enter DNE.) lim 3x2 - 30x x- 10 x2 - 100 Need Help? Read It 11. [-/1 Points] DETAILS HARMATHAP12 9.1.029. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Use properties of limits and algebraic methods to find the limit, if it exists. (If the limit is infinite, enter 'co' or '-co', as appropriate. If the limit does not otherwise exist, enter DNE.) lim x2 + 6x+ 9 x - -3 x2 + 4x + 3 Need Help? Read It 12. [-/1 Points] DETAILS HARMATHAP12 9.1.031. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Use properties of limits and algebraic methods to find the limit, if it exists. (If the limit is infinite, enter 'co' or '-co', as appropriate. If the limit does not otherwise exist, enter DNE.) x -3 (x), where f(x) = 10 - 2x if x