Hello I answered this question on my own and I answered the question twice and I wasn't able to get the correct answer for the question. Please help me with the solution to the question. Thanks

18. [0/2 Points] DETAILS PREVIOUS ANSWERS LARCALCET7 2.5.026. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Previous Answers X Submission 1 (0/2 points) Tuesday, September 22, 2020 09:20 PM EDT Find the vertical asymptotes (if any) of the graph of the function. (Use n as an arbitrary integer if necessary. If an answer does not exist, enter DNE.) f(z) = In(z2 - 81) -9 X (smaller value) 9 X (larger value) Submission 2 (0/2 points) Tuesday, September 22, 2020 11:26 PM EDT Find the vertical asymptotes (if any) of the graph of the function. (Use n as an arbitrary integer if necessary. If an answer does not exist, enter DNE.) f(z) = In(z2 - 81) DNE X (smaller value) DNE X (larger value)