Please explain

Evaluate ST (3x + 1) dxEvaluate fix - 1dxEvaluate J.5 - dx 3xCan the Fundamental Theorem of Calculus be used to find (?(x - 1 )ax ?Question 10 (3 points) dx ? Can the Fundamental Theorem of Calculus be used to find So x-1Ax) = 2x + 1. Determine the Riemann sum that represents the illustration below. The function i 10 2 3 5What is the formula that would be used to calculate the trapezoid approximation of So 2s in x dx using four subintervals?What formula would be used to calculate the middle rectangle approximation of Jo(3x + 1)dx using five subintervals?Which integral would represent the area shown below? I he function is ((x) = 4 24 1.5 1 + 0.5- X 1 2 3 4Which integral would represent the area shown below? The function is Ax) = x . 4 3 2+ X 0 1 2 3 4 5 6Question 8 (3 points) What is the formula that would be used to calculate the trapezoid approximation of f62x dx using five subintervals?A(x) = x2 + 1. Determine the Riemann sum that represents the illustration below. The function is AY 10 8- 6+ 4 2 X 2 3 5Question 6 (3 points) What formula would be used to calculate the middle rectangle approximation o Joy x + 2 dx using four subintervals