Question 10 (3 points) To solve the indefinite integral 3x-45 dx we will use substitution method and let u = The integral expression becomes du Integrating, the answer is Blank 1: Blank 2: Blank 3:Question 11 (3 points) Let us calculate the definite integral (23+ + 1)'(617 + 4x) da Let U = The integral expression becomes du Integrating, the simplified answer that we will get is Blank 1: Blank 2: Blank 3:Question 12 {8 pains} Find the area of all the regions bounded by ALL of the following: 3' = x, x + y = D and y = 2 x21 Clue: Take advantage of the symmetry consideration. Answer: Area = square units Question 13 (3 points) Evaluate the definite integral, where T is a even integer. T cos cdr = Blank 1:Question 14 (1 point) Find the average value of the function / (@) = va + 1 from x =0 to x = 3. O a 13/9 Ob 11/9 C 17/9 Od 14/9