Determine the Riemann sum that represents the illustration below. The function is fix} = x2 + 1. Determine the Riemann sum that represents the illustration below. The function is fix} = 2x. 0051152253 Which integral would represent the area shown below? The function is x} = 2x + 2. I15 1 15 2 2.5 3 Which integral would represent the area shown below? The function is fix} = -x3 + 3. What formula would be used to calculate the right rectangle approximation of (H - 2x + 3) dx using five subintervals?What formula would be used to calculate the middle rectangle approximation of 4 / ou x + 2 dx using four subintervals?lalllhat is the formula that would be used to calculate the trapezoid approximation of 2on using five subintervals? What is the formula that would be used to calculate the trapezoid approximation of 1325 in de using four subintervals? \fThe graph shown below is f(x) = -3x + 2.If g(x) = [of(t ) dt , find g'(-1). Y X -5 4 -3 -2 -11' Q 2 3 4 5 In to do