Evaluate the following limit. Enter the exact answer in fraction form, if necessary. To enter oo in your answer field, . When you are in text entry mode (when your answer field has just one line), type the word infinity with a lower case i. . When you are in equation editor entry mode (when your answer field has multiple lines with the equation symbol menu bar), choose the symbol oo to enter co. 7 -15 lim = Number T-+00 19 x12+43 x15 Show your work and explain, in your own words, how you arrived at your