8. Part a. Evaluate the limit, if it exists. (If an answer does not exist, enter DNE.) ²-81 lim t-9 2t² + 19t + 9 b. Evaluate the limit, if it exists. (If it does not exist, enter NONE). (4+h)² - 16 h C. lim h→0 Evaluate the limit, if it exists. (If it does not exist, enter NONE). x + 2 lim 2x³ +8

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