How do I do both of these?

Find all horizontal and vertical asymptotes (if any). (If an answer does not exist, enter DNE. Enter your answers as a comma-separated list of equations.) r(x) = 7x2 + 9x X- 1 vertical asymptote(s) horizontal asymptote 7. Question Details SPreCalc7Coreq 3.6.039. [4295070] Find all horizontal and vertical asymptotes (if any). (If an answer does not exist, enter DNE. Enter your answers as a comma-separated list of equations.) r( X ) = = 8x3 - 2 2x3 + 5x2 + 9x vertical asymptote(s) horizontal asymptote