Evaluate the following limit. 2x - 3x - 12x-7 lim + 3x -2x - 9x -5 How should the given limit be evaluated? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. Use direct substitution. B. Use l'Hopital's Rule more than once, rewrite the limit in its final form as lim ( X-1 O C. Use l'Hopital's Rule exactly once to rewrite the limit as lim O D. Multiply the expression by a unit fraction to obtain lim ) Evaluate the limit. 2x - 3x - 12x-7 lim (Simplify your answer.) 3x- 2x - 9x -5