4 questions to be answered and I need the answers separately and the work I need this to complete in 30 minutes

Octave Online . Cl. Question 8 3 pts 9 1 0 Deta Evaluate the definite integral, to 4 decimal places. V3x + 3dx . Question 9 5 pts 9 1 0 Details Find + 9 sec? (x)) da (( 2 + 8 sec" (2)) do = Question 10 Question 18 C5 pts 9 1 @ D Find the first derivative of f(x) = 6x3e cot(x). f' (z) = . Question 19 C5 pts 9 1 0 Details If f(x) = 4 cos(6 In(z)), find f' (z). Find f' (5) rounded to 3 decimal places