Question 7 Evaluate the integral So 249 Not yet answered Marked out of 1.00 P Flag question Select one: O a. 4 -913 + 9ln9 O b. 13 - 94 + In3 O c. 4- 139 + 3ln18 O d. 4- 913 + In9 O e. Min13 - In3 Question 8 If f (t)= 12 + t. Between t = 10 and t = 12 what is the increase in fdivided by the increase in t? Not yet answered Marked out of 1.00 P Flag question Select one: O a. 2 O b. 25 O c. 46 O d. 1/23 O e. 23