loncapa05.purdue.edu + P LON-CAPA HW 28:Area_and_Riemann_Sums_10_d.problem Course Contents >> Homework > HW 28 >> HW 28 : Area_and_Riemann_Sums_10_d ... Timer Notes Evaluate Feedback Print Use the Left and Right Riemann Sums with 40 rectangles to estimate the (signed) area under the curve of y = -2 sin(x + 7) on the interval of [0, 2x]. A T 10 -2 cos( 7it n) B 10 -2 sin( Tit n) C T 10 -2 sin( Ti + n) D 20 -2 sin( Zi + n) E T 10 -2 cos( Bit n) F 20 -2 cos( Tit n) G . 20 -2 cos( Tit n) H 20 -2 sin("it n) G @ Left Riemann Sum F @ Right Riemann SumUse the Left and Right Riemann Sums with 40 rectangles to estimate the (signed) area under the curve of y = -2 sin (x + It ) on the interval of [0, 2x ]. 39 10 2 -2 cos( Fit n) B 10 -2 sin( Zi+ n) C 10 -2 sin( Thi + n) D 20 -2 sin( Bit n) E 10 -2 cos( Tit n) F 20 -2 cos(Bit n) -2 cos( "it n) 20 -2 sin( Zi 20 1 + IT ) G @ Left Riemann Sum F @ Right Riemann SumUse the Left and Right Riemann Sums with 80 rectangles to estimate the (signed) area under the curve ofy = 62x 17 on the interval of [10, 20]. Write your answer using the sigma notation. 79 Left Riemann Sum= 2( ) i=0 Submit Answer Tries 0/99 80 Right Riemann Sum= 2( ) i=1 Submit Answer Tries 0/99 Use the Left and Right Riemann Sums with 100 rectangles to estimate the (signed) area under the curve ofy = 4x + 8 on the interval [0, 50]. Write your answer using the sigma notation. 99 Left Riemann Sum = 2( 1/2 ) i=0 Submit Answer Incorrect. Tries 1/99 Previous Tries 100 Right Riemann Sum = 2( ) i=1 Submit Answer Tries 0/99 3 Use the Left and Right Riemann Sums with 4 rectangles to estimate the (signed) area under the curve ofy = Vx i on the interval of [3, 10]. Round your answers to the second decimal place. Left Riemann Sum: 37.70 Submit Answer Incorrect. Tries 6/99 Previous Tries Right Riemann Sum= 7.25 Submit Answer Incorrect. Tries 3/99 Previous Tries