wesleycpaul2191 wesleycpaul2191 23-05-2023 Mathematics contestada need help with 13 12 and 13 Use the definition of continuity and the properties of limits to show that the function is continuous at the given number a. 2t-3t² 12. h(t)= a=1 1+³ 13. f(a)= (x+2r³), a = -1